{"id":1071,"date":"2021-04-27T16:16:50","date_gmt":"2021-04-27T20:16:50","guid":{"rendered":"https:\/\/opentextbc.ca\/autocad3d\/chapter\/loft\/"},"modified":"2021-11-04T11:39:50","modified_gmt":"2021-11-04T15:39:50","slug":"loft","status":"publish","type":"chapter","link":"https:\/\/opentextbc.ca\/autocad3d\/chapter\/loft\/","title":{"raw":"Module 24 Loft","rendered":"Module 24 Loft"},"content":{"raw":"<div class=\"textbox textbox--learning-objectives\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Learning Outcomes<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nWhen you have completed this module, you will be able to:\n<ol>\n \t<li>Describe and apply the LOFT command to create solid or surface models by blending them between two or more cross sections.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<h1>Loft<\/h1>\nA <em><span style=\"color: #ec0000;\">loft<\/span> <\/em>is a blend or transition solid or surface that connects two or more cross sections. The cross sections, also called <span style=\"color: #ec0000;\"><em>profiles<\/em><\/span>, can be the same or different shapes. See Figure 24-1. The cross sections can also be projected along a path.\n\nThe most common drawing objects that can be used for the cross sections are 2D and 3D splines, 2D polylines, 2D solids, arcs, circles, ellipses, elliptical arcs, and lines. For a complete list, see the AutoCAD Help files.\n\nThe path must be a single open or closed object. The most common objects that can be used for the path are 2D and 3D splines, 2D and 3D polylines, helices, arcs, circles, ellipses, elliptical arcs, and lines. See AutoCAD's Help.\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"161\"]<img class=\"size-full wp-image-1044\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/04\/24-1.jpg\" alt=\"\" width=\"161\" height=\"347\"> Figure 24-1<br>A Loft[\/caption]\n\n<div class=\"textbox textbox--examples\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">\u00a0AutoCAD Command: LOFT<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nThe LOFT command is used to create a solid or surface by blending two or more cross sections with the same or different shapes.\n\nShortcut: none\n\n[caption id=\"attachment_1047\" align=\"aligncenter\" width=\"138\"]<img class=\"size-full wp-image-1045\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-ribbon.jpg\" alt=\"\" width=\"138\" height=\"203\"> Home Ribbon[\/caption]\n\n[caption id=\"attachment_1047\" align=\"aligncenter\" width=\"310\"]<img class=\"size-full wp-image-1046\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-toolbar.jpg\" alt=\"\" width=\"310\" height=\"82\"> Modeling Toolbar[\/caption]\n\n[caption id=\"attachment_1047\" align=\"aligncenter\" width=\"248\"]<img class=\"size-full wp-image-1047\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-pulldown.jpg\" alt=\"\" width=\"248\" height=\"177\"> Draw Pull-down[\/caption]\n\n<\/div>\n<\/div>\n<h1>WORK ALONG: Using the LOFT Command<\/h1>\n<h2>Step 1<\/h2>\nUsing the NEW command, start a new drawing using template: <span style=\"text-decoration: underline;\">3D Layout English<\/span>.\n<h2>Step 2<\/h2>\nSave and name the drawing: <span style=\"text-decoration: underline;\">AutoCAD 3D Workalong 24-1<\/span>.\n<h2>Step 3<\/h2>\nSet the current visual style to 3D Wireframe, the current layer to Profile, the current view to SE Isometric, and the current UCS to <span style=\"text-decoration: underline;\">Right.<\/span>\n<h2 class=\"page-break-before\">Step 4<\/h2>\nUsing Figure Step 4A as a reference, draw a 12 \u00d7 12 inch closed pline. Start the bottom left corner at 0,0,0 as shown in the figure. (Figure Step 4A and 4B)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"211\"]<img class=\"size-full wp-image-1048\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4A.jpg\" alt=\"\" width=\"211\" height=\"344\"> Figure Step 4A[\/caption]\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"143\"]<img class=\"size-full wp-image-1049\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4B.jpg\" alt=\"\" width=\"143\" height=\"266\"> Figure Step 4B[\/caption]\n<h2>Step 5<\/h2>\nUsing the Properties window, ensure that the square is a closed pline.\n<div class=\"textbox author\"><strong>AUTHOR'S COMMENTS:<\/strong> If the square is not a closed object, the LOFT command will create a surface and not a solid.<\/div>\n<h2>Step 6<\/h2>\nCopy the closed pline 6 inches in the positive Z direction. (Figure Step 6)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"200\"]<img class=\"wp-image-1050\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-6.jpg\" alt=\"\" width=\"200\" height=\"268\"> Figure Step 6[\/caption]\n<h2>Step 7<\/h2>\nDraw a 6 inch diameter circle exactly in the centre of the copied square. (Figure Step 7)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"200\"]<img class=\"wp-image-1051\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-7.jpg\" alt=\"\" width=\"200\" height=\"268\"> Figure Step 7[\/caption]\n\n<div class=\"textbox author\"><strong>AUTHOR'S COMMENTS:<\/strong> You will have to draw a construction line to do this.<\/div>\n<h2>Step 8<\/h2>\nMove the circle 8 inches in the positive Z direction. (Figure Step 8)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"221\"]<img class=\"size-full wp-image-1052\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-8.jpg\" alt=\"\" width=\"221\" height=\"233\"> Figure Step 8[\/caption]\n<h2>Step 9<\/h2>\nChange the current UCS to Front and the set layer: <span style=\"text-decoration: underline;\">Path<\/span> as the current layer.\n<h2 class=\"page-break-before\">Step 10<\/h2>\nDraw a pline 36 inches in the positive X direction and then 24 inches in the negative Y direction. Start it at the centre of the circle. (Figure Step 10)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"393\"]<img class=\"wp-image-1053 size-full\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10.jpg\" alt=\"\" width=\"393\" height=\"424\"> Figure Step 10[\/caption]\n\n<div class=\"textbox author\"><strong>AUTHOR'S COMMENTS:<\/strong> The system variable DELOBJ is used to control if the cross sections and paths are kept or deleted when the solid or surface is created in a loft.<\/div>\n<h2 class=\"page-break-before\">Step 11<\/h2>\nFillet the pline with a radius of 12 inches. (Figure Step 11)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"393\"]<img class=\"size-full wp-image-1054\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11.jpg\" alt=\"\" width=\"393\" height=\"424\"> Figure Step 11[\/caption]\n<h2>Step 12<\/h2>\nChange the current UCS to Top and the set layer: <span style=\"text-decoration: underline;\">Profile<\/span> as current layer.\n<h2 class=\"page-break-before\">Step 13<\/h2>\nDraw a 6 diameter circle locating its centre at the bottom end of the pline that you just drew. (Figure Step 13)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"420\"]<img class=\"size-full wp-image-1055\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13.jpg\" alt=\"\" width=\"420\" height=\"454\"> Figure Step 13[\/caption]\n<h2 class=\"page-break-before\">Step 14<\/h2>\nAfter drawing the necessary construction lines, draw a 3 x 8 closed rectangular pline with its centre located at the end of the pline. (Figure Step 14A and 14B)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"300\"]<img class=\"wp-image-1056\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A.jpg\" alt=\"\" width=\"300\" height=\"263\"> Figure Step 14A[\/caption]\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"350\"]<img class=\"wp-image-1057\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B.jpg\" alt=\"\" width=\"350\" height=\"376\"> Figure Step 14B[\/caption]\n<h2 class=\"page-break-before\">Step 15<\/h2>\nMove the rectangular pline 10 inches in the negative Z direction. (Figure Step 15)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"145\"]<img class=\"size-full wp-image-1058\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-15.jpg\" alt=\"\" width=\"145\" height=\"310\"> Figure Step 15[\/caption]\n<h2 class=\"page-break-before\">Step 16<\/h2>\nSet the current view to SE Isometric. (Figure Step 16)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"365\"]<img class=\"size-full wp-image-1059\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16.jpg\" alt=\"\" width=\"365\" height=\"459\"> Figure Step 16[\/caption]\n<h2>Step 17<\/h2>\nEnsure that the system variable DELOBJ is set to 0.\n<h2>Step 18<\/h2>\nSet the current layer to <span style=\"text-decoration: underline;\">Solid 4<\/span> and the system variable ISOLINES to 4.\n<h2>Step 19<\/h2>\nEnter the LOFT command, as shown below, and select the two squares for the cross sections. (Figure Step 19)\n\nCommand: <strong>LOFT<\/strong>\n\nCurrent wire frame density: ISOLINES=4, Closed profiles creation mode = Solid\n\nSelect cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 1 found\n\nSelect cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 1 found, 2 total\n\nSelect cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 2 cross sections selected\n\nEnter an option [Guides\/Path\/Cross sections only\/Settings] &lt;Cross sections only&gt;:\n\n<span style=\"color: #008000;\"><em>(Press Enter)<\/em><\/span>\n\nCommand:\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"241\"]<img class=\"size-full wp-image-1060\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-19.jpg\" alt=\"\" width=\"241\" height=\"210\"> Figure Step 19[\/caption]\n<h2>Step 20<\/h2>\nTurn off layer: S<span style=\"text-decoration: underline;\">olid Off<\/span>. Change the layer of the solid that you just created in Step 18 to layer: <span style=\"text-decoration: underline;\">Solid Off<\/span>. (Figure Step 20)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"226\"]<img class=\"size-full wp-image-1061\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-20.jpg\" alt=\"\" width=\"226\" height=\"214\"> Figure Step 20[\/caption]\n<h2 class=\"page-break-before\">Step 21<\/h2>\nUsing the LOFT command, create a loft selecting the square and circle as the cross sections. (Figure Step 21)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"272\"]<img class=\"size-full wp-image-1062\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-21.jpg\" alt=\"\" width=\"272\" height=\"237\"> Figure Step 21[\/caption]\n<h2>Step 22<\/h2>\nChange the layer of the solid that you just created in the loft to layer: <span style=\"text-decoration: underline;\">Solid Off<\/span>.\n<h2 class=\"page-break-before\">Step 23<\/h2>\nEnter the LOFT command, as shown below, to draw a loft between two cross sections that follow a path. Select the two circles for the cross sections, and the pline as the path. (Figure Step 23A and 23B)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"291\"]<img class=\"size-full wp-image-1063\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23A.jpg\" alt=\"\" width=\"291\" height=\"335\"> Figure Step 23A[\/caption]\n\nCommand: <strong>LOFT<\/strong>\n\nCurrent wire frame density: ISOLINES=4, Closed profiles creation mode = Solid\n\nSelect cross sections in lofting order or [Point\/Join multiple edges\/MOde]: 1 found\n\nSelect cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 1 found,2 total\n\nSelect cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 2 cross sections selected\n\nEnter an option [Guides\/Path\/Cross sections only\/Settings] &lt;Cross sections only&gt;: <strong>P<\/strong>\n\nSelect path profile: 1 found\n\n<span style=\"color: #008000;\"><em>(Select the pline.)<\/em><\/span>\n\nCommand:\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"300\"]<img class=\"wp-image-1064\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B.jpg\" alt=\"\" width=\"300\" height=\"398\"> Figure Step 23B[\/caption]\n<h2 class=\"page-break-before\">Step 24<\/h2>\nUsing what you already learned in the workalong, change the layer of the solid created in Step 23 to layer: <span style=\"text-decoration: underline;\">Solid off<\/span>. Create a solid using the loft command between the circle and the rectangle. (Figure Step 24)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"177\"]<img class=\"size-full wp-image-1065\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-24.jpg\" alt=\"\" width=\"177\" height=\"351\"> Figure Step 24[\/caption]\n<h2>Step 25<\/h2>\nTurn off layers: <span style=\"text-decoration: underline;\">Profile<\/span> and <span style=\"text-decoration: underline;\">Path<\/span>.\n<h2>Step 26<\/h2>\nChange the layer of all solids, that are on layer: <span style=\"text-decoration: underline;\">Solid Off<\/span>, to layer: <span style=\"text-decoration: underline;\">Solid 4<\/span>.\n<h2 class=\"page-break-before\">Step 27<\/h2>\nUsing the UNION command, union all solids to form a single solid. (Figure Step 27)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"350\"]<img class=\"size-full wp-image-1066\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-27.jpg\" alt=\"\" width=\"350\" height=\"465\"> Figure Step 27[\/caption]\n<h2>Step 28<\/h2>\nSave and close the drawing.\n<h1>Key Principles<\/h1>\n<div class=\"textbox textbox--key-takeaways\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Key Principles in Module 24<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n<ol>\n \t<li>A loft, created with the LOFT command, is a blend or transition solid or surface that connects two or more cross sections. The cross sections, sometimes called profiles, can be the same or different shapes. The cross sections can also be projected along a path.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<h1>Lab Exercise 24-1<\/h1>\nTime allowed: 60 minutes.\n<table class=\"grid\" border=\"0\">\n<tbody>\n<tr>\n<th scope=\"col\">Drawing Name<\/th>\n<th scope=\"col\">Template<\/th>\n<th scope=\"col\">Units<\/th>\n<\/tr>\n<tr>\n<td>AutoCAD 3D Lab 24-1<\/td>\n<td>3D Layout Metric<\/td>\n<td>Millimeters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Step 1<\/h2>\nOn layer: <span style=\"text-decoration: underline;\">Solid 3<\/span>, draw a solid model of the object shown in the figure by drawing cross sections and then using the LOFT command. (Figure Step 1)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"300\"]<img class=\"wp-image-1067\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1.jpg\" alt=\"\" width=\"300\" height=\"519\"> Figure Step 1<br>Dimensioned Multiview Drawing[\/caption]\n<h2 class=\"page-break-before\">Step 2<\/h2>\nDraw the cross sections on layer: <span style=\"text-decoration: underline;\">Profile<\/span>.\n<h2>Step 3<\/h2>\nUnion the solids to create one single solid model. (Figure Step 3)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"300\"]<img class=\"wp-image-1068\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3.jpg\" alt=\"\" width=\"300\" height=\"299\"> Figure Step 3[\/caption]\n\n<div class=\"textbox author\"><strong>AUTHOR'S COMMENTS:<\/strong> This solid model is not complete. In Module 29, you will be shelling the model to remove the inside to create a large funnel.<\/div>\n<h2>Step 4<\/h2>\nSave and close the drawing.\n<h1>Lab Exercise 24-2<\/h1>\nTime allowed: 60 minutes.\n<table class=\"grid\" border=\"0\">\n<tbody>\n<tr>\n<th scope=\"col\">Drawing Name<\/th>\n<th scope=\"col\">Template<\/th>\n<th scope=\"col\">Units<\/th>\n<\/tr>\n<tr>\n<td>AutoCAD 3D Lab 24-2<\/td>\n<td>3D Layout English<\/td>\n<td>Inches<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"page-break-before\">Step 1<\/h2>\nOn layer: <span style=\"text-decoration: underline;\">Solid 2<\/span>, draw a solid model of the object shown in the figure by drawing cross sections and then using the LOFT command. (Figure Step 1)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"280\"]<img class=\"size-full wp-image-1069\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-1.jpg\" alt=\"\" width=\"280\" height=\"706\"> Figure Step 1<br>Dimensioned Multiview Drawing[\/caption]\n<h2>Step 2<\/h2>\nDraw the cross sections on layer: <span style=\"text-decoration: underline;\">Profile<\/span>.\n<h2>Step 3<\/h2>\nDraw the text on layer: <span style=\"text-decoration: underline;\">Text<\/span> after you create the solid. Use the font: <span style=\"text-decoration: underline;\">Tohoma<\/span>. Select the height of your choice.\n<h2>Step 4<\/h2>\nUnion the solids together to create one single solid model. (Figure Step 4)\n\n[caption id=\"attachment_1070\" align=\"aligncenter\" width=\"200\"]<img class=\"wp-image-1070\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-4.jpg\" alt=\"\" width=\"200\" height=\"516\"> Figure Step 4[\/caption]\n\n<div class=\"textbox author\"><strong>AUTHOR'S COMMENTS:<\/strong> This solid model is not complete. In Module 29, you will be shelling the model to remove the inside to create a bottle.<\/div>\n<h2>Step 5<\/h2>\nSave and close the drawing.\n\n&nbsp;","rendered":"<div class=\"textbox textbox--learning-objectives\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Learning Outcomes<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>When you have completed this module, you will be able to:<\/p>\n<ol>\n<li>Describe and apply the LOFT command to create solid or surface models by blending them between two or more cross sections.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<h1>Loft<\/h1>\n<p>A <em><span style=\"color: #ec0000;\">loft<\/span> <\/em>is a blend or transition solid or surface that connects two or more cross sections. The cross sections, also called <span style=\"color: #ec0000;\"><em>profiles<\/em><\/span>, can be the same or different shapes. See Figure 24-1. The cross sections can also be projected along a path.<\/p>\n<p>The most common drawing objects that can be used for the cross sections are 2D and 3D splines, 2D polylines, 2D solids, arcs, circles, ellipses, elliptical arcs, and lines. For a complete list, see the AutoCAD Help files.<\/p>\n<p>The path must be a single open or closed object. The most common objects that can be used for the path are 2D and 3D splines, 2D and 3D polylines, helices, arcs, circles, ellipses, elliptical arcs, and lines. See AutoCAD&#8217;s Help.<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 161px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1044\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/04\/24-1.jpg\" alt=\"\" width=\"161\" height=\"347\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/04\/24-1.jpg 161w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/04\/24-1-139x300.jpg 139w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/04\/24-1-65x140.jpg 65w\" sizes=\"auto, (max-width: 161px) 100vw, 161px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure 24-1<br \/>A Loft<\/figcaption><\/figure>\n<div class=\"textbox textbox--examples\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">\u00a0AutoCAD Command: LOFT<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>The LOFT command is used to create a solid or surface by blending two or more cross sections with the same or different shapes.<\/p>\n<p>Shortcut: none<\/p>\n<figure id=\"attachment_1047\" aria-describedby=\"caption-attachment-1047\" style=\"width: 138px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1045\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-ribbon.jpg\" alt=\"\" width=\"138\" height=\"203\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-ribbon.jpg 138w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-ribbon-65x96.jpg 65w\" sizes=\"auto, (max-width: 138px) 100vw, 138px\" \/><figcaption id=\"caption-attachment-1047\" class=\"wp-caption-text\">Home Ribbon<\/figcaption><\/figure>\n<figure id=\"attachment_1047\" aria-describedby=\"caption-attachment-1047\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1046\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-toolbar.jpg\" alt=\"\" width=\"310\" height=\"82\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-toolbar.jpg 310w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-toolbar-300x79.jpg 300w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-toolbar-65x17.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-toolbar-225x60.jpg 225w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/><figcaption id=\"caption-attachment-1047\" class=\"wp-caption-text\">Modeling Toolbar<\/figcaption><\/figure>\n<figure id=\"attachment_1047\" aria-describedby=\"caption-attachment-1047\" style=\"width: 248px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1047\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-pulldown.jpg\" alt=\"\" width=\"248\" height=\"177\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-pulldown.jpg 248w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-pulldown-65x46.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-pulldown-225x161.jpg 225w\" sizes=\"auto, (max-width: 248px) 100vw, 248px\" \/><figcaption id=\"caption-attachment-1047\" class=\"wp-caption-text\">Draw Pull-down<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<h1>WORK ALONG: Using the LOFT Command<\/h1>\n<h2>Step 1<\/h2>\n<p>Using the NEW command, start a new drawing using template: <span style=\"text-decoration: underline;\">3D Layout English<\/span>.<\/p>\n<h2>Step 2<\/h2>\n<p>Save and name the drawing: <span style=\"text-decoration: underline;\">AutoCAD 3D Workalong 24-1<\/span>.<\/p>\n<h2>Step 3<\/h2>\n<p>Set the current visual style to 3D Wireframe, the current layer to Profile, the current view to SE Isometric, and the current UCS to <span style=\"text-decoration: underline;\">Right.<\/span><\/p>\n<h2 class=\"page-break-before\">Step 4<\/h2>\n<p>Using Figure Step 4A as a reference, draw a 12 \u00d7 12 inch closed pline. Start the bottom left corner at 0,0,0 as shown in the figure. (Figure Step 4A and 4B)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 211px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1048\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4A.jpg\" alt=\"\" width=\"211\" height=\"344\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4A.jpg 211w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4A-184x300.jpg 184w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4A-65x106.jpg 65w\" sizes=\"auto, (max-width: 211px) 100vw, 211px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 4A<\/figcaption><\/figure>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 143px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1049\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4B.jpg\" alt=\"\" width=\"143\" height=\"266\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4B.jpg 143w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-4B-65x121.jpg 65w\" sizes=\"auto, (max-width: 143px) 100vw, 143px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 4B<\/figcaption><\/figure>\n<h2>Step 5<\/h2>\n<p>Using the Properties window, ensure that the square is a closed pline.<\/p>\n<div class=\"textbox author\"><strong>AUTHOR&#8217;S COMMENTS:<\/strong> If the square is not a closed object, the LOFT command will create a surface and not a solid.<\/div>\n<h2>Step 6<\/h2>\n<p>Copy the closed pline 6 inches in the positive Z direction. (Figure Step 6)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1050\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-6.jpg\" alt=\"\" width=\"200\" height=\"268\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-6.jpg 230w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-6-224x300.jpg 224w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-6-65x87.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-6-225x301.jpg 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 6<\/figcaption><\/figure>\n<h2>Step 7<\/h2>\n<p>Draw a 6 inch diameter circle exactly in the centre of the copied square. (Figure Step 7)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1051\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-7.jpg\" alt=\"\" width=\"200\" height=\"268\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-7.jpg 230w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-7-224x300.jpg 224w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-7-65x87.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-7-225x301.jpg 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 7<\/figcaption><\/figure>\n<div class=\"textbox author\"><strong>AUTHOR&#8217;S COMMENTS:<\/strong> You will have to draw a construction line to do this.<\/div>\n<h2>Step 8<\/h2>\n<p>Move the circle 8 inches in the positive Z direction. (Figure Step 8)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 221px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1052\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-8.jpg\" alt=\"\" width=\"221\" height=\"233\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-8.jpg 221w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-8-65x69.jpg 65w\" sizes=\"auto, (max-width: 221px) 100vw, 221px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 8<\/figcaption><\/figure>\n<h2>Step 9<\/h2>\n<p>Change the current UCS to Front and the set layer: <span style=\"text-decoration: underline;\">Path<\/span> as the current layer.<\/p>\n<h2 class=\"page-break-before\">Step 10<\/h2>\n<p>Draw a pline 36 inches in the positive X direction and then 24 inches in the negative Y direction. Start it at the centre of the circle. (Figure Step 10)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 393px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1053 size-full\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10.jpg\" alt=\"\" width=\"393\" height=\"424\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10.jpg 393w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10-278x300.jpg 278w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10-65x70.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10-225x243.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-10-350x378.jpg 350w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 10<\/figcaption><\/figure>\n<div class=\"textbox author\"><strong>AUTHOR&#8217;S COMMENTS:<\/strong> The system variable DELOBJ is used to control if the cross sections and paths are kept or deleted when the solid or surface is created in a loft.<\/div>\n<h2 class=\"page-break-before\">Step 11<\/h2>\n<p>Fillet the pline with a radius of 12 inches. (Figure Step 11)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 393px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1054\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11.jpg\" alt=\"\" width=\"393\" height=\"424\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11.jpg 393w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11-278x300.jpg 278w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11-65x70.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11-225x243.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-11-350x378.jpg 350w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 11<\/figcaption><\/figure>\n<h2>Step 12<\/h2>\n<p>Change the current UCS to Top and the set layer: <span style=\"text-decoration: underline;\">Profile<\/span> as current layer.<\/p>\n<h2 class=\"page-break-before\">Step 13<\/h2>\n<p>Draw a 6 diameter circle locating its centre at the bottom end of the pline that you just drew. (Figure Step 13)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 420px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1055\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13.jpg\" alt=\"\" width=\"420\" height=\"454\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13.jpg 420w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13-278x300.jpg 278w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13-65x70.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13-225x243.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-13-350x378.jpg 350w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 13<\/figcaption><\/figure>\n<h2 class=\"page-break-before\">Step 14<\/h2>\n<p>After drawing the necessary construction lines, draw a 3 x 8 closed rectangular pline with its centre located at the end of the pline. (Figure Step 14A and 14B)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1056\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A.jpg\" alt=\"\" width=\"300\" height=\"263\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A.jpg 356w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A-300x263.jpg 300w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A-65x57.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A-225x197.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14A-350x307.jpg 350w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 14A<\/figcaption><\/figure>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 350px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1057\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B.jpg\" alt=\"\" width=\"350\" height=\"376\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B.jpg 397w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B-279x300.jpg 279w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B-65x70.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B-225x242.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-14B-350x376.jpg 350w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 14B<\/figcaption><\/figure>\n<h2 class=\"page-break-before\">Step 15<\/h2>\n<p>Move the rectangular pline 10 inches in the negative Z direction. (Figure Step 15)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 145px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1058\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-15.jpg\" alt=\"\" width=\"145\" height=\"310\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-15.jpg 145w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-15-140x300.jpg 140w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-15-65x139.jpg 65w\" sizes=\"auto, (max-width: 145px) 100vw, 145px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 15<\/figcaption><\/figure>\n<h2 class=\"page-break-before\">Step 16<\/h2>\n<p>Set the current view to SE Isometric. (Figure Step 16)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 365px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1059\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16.jpg\" alt=\"\" width=\"365\" height=\"459\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16.jpg 365w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16-239x300.jpg 239w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16-65x82.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16-225x283.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-16-350x440.jpg 350w\" sizes=\"auto, (max-width: 365px) 100vw, 365px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 16<\/figcaption><\/figure>\n<h2>Step 17<\/h2>\n<p>Ensure that the system variable DELOBJ is set to 0.<\/p>\n<h2>Step 18<\/h2>\n<p>Set the current layer to <span style=\"text-decoration: underline;\">Solid 4<\/span> and the system variable ISOLINES to 4.<\/p>\n<h2>Step 19<\/h2>\n<p>Enter the LOFT command, as shown below, and select the two squares for the cross sections. (Figure Step 19)<\/p>\n<p>Command: <strong>LOFT<\/strong><\/p>\n<p>Current wire frame density: ISOLINES=4, Closed profiles creation mode = Solid<\/p>\n<p>Select cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 1 found<\/p>\n<p>Select cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 1 found, 2 total<\/p>\n<p>Select cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 2 cross sections selected<\/p>\n<p>Enter an option [Guides\/Path\/Cross sections only\/Settings] &lt;Cross sections only&gt;:<\/p>\n<p><span style=\"color: #008000;\"><em>(Press Enter)<\/em><\/span><\/p>\n<p>Command:<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 241px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1060\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-19.jpg\" alt=\"\" width=\"241\" height=\"210\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-19.jpg 241w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-19-65x57.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-19-225x196.jpg 225w\" sizes=\"auto, (max-width: 241px) 100vw, 241px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 19<\/figcaption><\/figure>\n<h2>Step 20<\/h2>\n<p>Turn off layer: S<span style=\"text-decoration: underline;\">olid Off<\/span>. Change the layer of the solid that you just created in Step 18 to layer: <span style=\"text-decoration: underline;\">Solid Off<\/span>. (Figure Step 20)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 226px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1061\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-20.jpg\" alt=\"\" width=\"226\" height=\"214\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-20.jpg 226w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-20-65x62.jpg 65w\" sizes=\"auto, (max-width: 226px) 100vw, 226px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 20<\/figcaption><\/figure>\n<h2 class=\"page-break-before\">Step 21<\/h2>\n<p>Using the LOFT command, create a loft selecting the square and circle as the cross sections. (Figure Step 21)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 272px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1062\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-21.jpg\" alt=\"\" width=\"272\" height=\"237\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-21.jpg 272w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-21-65x57.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-21-225x196.jpg 225w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 21<\/figcaption><\/figure>\n<h2>Step 22<\/h2>\n<p>Change the layer of the solid that you just created in the loft to layer: <span style=\"text-decoration: underline;\">Solid Off<\/span>.<\/p>\n<h2 class=\"page-break-before\">Step 23<\/h2>\n<p>Enter the LOFT command, as shown below, to draw a loft between two cross sections that follow a path. Select the two circles for the cross sections, and the pline as the path. (Figure Step 23A and 23B)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 291px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1063\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23A.jpg\" alt=\"\" width=\"291\" height=\"335\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23A.jpg 291w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23A-261x300.jpg 261w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23A-65x75.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23A-225x259.jpg 225w\" sizes=\"auto, (max-width: 291px) 100vw, 291px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 23A<\/figcaption><\/figure>\n<p>Command: <strong>LOFT<\/strong><\/p>\n<p>Current wire frame density: ISOLINES=4, Closed profiles creation mode = Solid<\/p>\n<p>Select cross sections in lofting order or [Point\/Join multiple edges\/MOde]: 1 found<\/p>\n<p>Select cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 1 found,2 total<\/p>\n<p>Select cross sections in lofting order or [POint\/Join multiple edges\/MOde]: 2 cross sections selected<\/p>\n<p>Enter an option [Guides\/Path\/Cross sections only\/Settings] &lt;Cross sections only&gt;: <strong>P<\/strong><\/p>\n<p>Select path profile: 1 found<\/p>\n<p><span style=\"color: #008000;\"><em>(Select the pline.)<\/em><\/span><\/p>\n<p>Command:<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1064\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B.jpg\" alt=\"\" width=\"300\" height=\"398\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B.jpg 403w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B-226x300.jpg 226w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B-65x86.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B-225x298.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-23B-350x464.jpg 350w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 23B<\/figcaption><\/figure>\n<h2 class=\"page-break-before\">Step 24<\/h2>\n<p>Using what you already learned in the workalong, change the layer of the solid created in Step 23 to layer: <span style=\"text-decoration: underline;\">Solid off<\/span>. Create a solid using the loft command between the circle and the rectangle. (Figure Step 24)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 177px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1065\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-24.jpg\" alt=\"\" width=\"177\" height=\"351\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-24.jpg 177w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-24-151x300.jpg 151w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-24-65x129.jpg 65w\" sizes=\"auto, (max-width: 177px) 100vw, 177px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 24<\/figcaption><\/figure>\n<h2>Step 25<\/h2>\n<p>Turn off layers: <span style=\"text-decoration: underline;\">Profile<\/span> and <span style=\"text-decoration: underline;\">Path<\/span>.<\/p>\n<h2>Step 26<\/h2>\n<p>Change the layer of all solids, that are on layer: <span style=\"text-decoration: underline;\">Solid Off<\/span>, to layer: <span style=\"text-decoration: underline;\">Solid 4<\/span>.<\/p>\n<h2 class=\"page-break-before\">Step 27<\/h2>\n<p>Using the UNION command, union all solids to form a single solid. (Figure Step 27)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 350px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1066\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-27.jpg\" alt=\"\" width=\"350\" height=\"465\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-27.jpg 350w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-27-226x300.jpg 226w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-27-65x86.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/Loft-27-225x299.jpg 225w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 27<\/figcaption><\/figure>\n<h2>Step 28<\/h2>\n<p>Save and close the drawing.<\/p>\n<h1>Key Principles<\/h1>\n<div class=\"textbox textbox--key-takeaways\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Key Principles in Module 24<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<ol>\n<li>A loft, created with the LOFT command, is a blend or transition solid or surface that connects two or more cross sections. The cross sections, sometimes called profiles, can be the same or different shapes. The cross sections can also be projected along a path.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<h1>Lab Exercise 24-1<\/h1>\n<p>Time allowed: 60 minutes.<\/p>\n<table class=\"grid\">\n<tbody>\n<tr>\n<th scope=\"col\">Drawing Name<\/th>\n<th scope=\"col\">Template<\/th>\n<th scope=\"col\">Units<\/th>\n<\/tr>\n<tr>\n<td>AutoCAD 3D Lab 24-1<\/td>\n<td>3D Layout Metric<\/td>\n<td>Millimeters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Step 1<\/h2>\n<p>On layer: <span style=\"text-decoration: underline;\">Solid 3<\/span>, draw a solid model of the object shown in the figure by drawing cross sections and then using the LOFT command. (Figure Step 1)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1067\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1.jpg\" alt=\"\" width=\"300\" height=\"519\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1.jpg 394w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1-174x300.jpg 174w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1-65x112.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1-225x389.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-1-350x605.jpg 350w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 1<br \/>Dimensioned Multiview Drawing<\/figcaption><\/figure>\n<h2 class=\"page-break-before\">Step 2<\/h2>\n<p>Draw the cross sections on layer: <span style=\"text-decoration: underline;\">Profile<\/span>.<\/p>\n<h2>Step 3<\/h2>\n<p>Union the solids to create one single solid model. (Figure Step 3)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1068\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3.jpg\" alt=\"\" width=\"300\" height=\"299\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3.jpg 451w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3-300x300.jpg 300w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3-150x150.jpg 150w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3-65x65.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3-225x225.jpg 225w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-1-3-350x349.jpg 350w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 3<\/figcaption><\/figure>\n<div class=\"textbox author\"><strong>AUTHOR&#8217;S COMMENTS:<\/strong> This solid model is not complete. In Module 29, you will be shelling the model to remove the inside to create a large funnel.<\/div>\n<h2>Step 4<\/h2>\n<p>Save and close the drawing.<\/p>\n<h1>Lab Exercise 24-2<\/h1>\n<p>Time allowed: 60 minutes.<\/p>\n<table class=\"grid\">\n<tbody>\n<tr>\n<th scope=\"col\">Drawing Name<\/th>\n<th scope=\"col\">Template<\/th>\n<th scope=\"col\">Units<\/th>\n<\/tr>\n<tr>\n<td>AutoCAD 3D Lab 24-2<\/td>\n<td>3D Layout English<\/td>\n<td>Inches<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"page-break-before\">Step 1<\/h2>\n<p>On layer: <span style=\"text-decoration: underline;\">Solid 2<\/span>, draw a solid model of the object shown in the figure by drawing cross sections and then using the LOFT command. (Figure Step 1)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 280px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1069\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-1.jpg\" alt=\"\" width=\"280\" height=\"706\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-1.jpg 280w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-1-119x300.jpg 119w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-1-65x164.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-1-225x567.jpg 225w\" sizes=\"auto, (max-width: 280px) 100vw, 280px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 1<br \/>Dimensioned Multiview Drawing<\/figcaption><\/figure>\n<h2>Step 2<\/h2>\n<p>Draw the cross sections on layer: <span style=\"text-decoration: underline;\">Profile<\/span>.<\/p>\n<h2>Step 3<\/h2>\n<p>Draw the text on layer: <span style=\"text-decoration: underline;\">Text<\/span> after you create the solid. Use the font: <span style=\"text-decoration: underline;\">Tohoma<\/span>. Select the height of your choice.<\/p>\n<h2>Step 4<\/h2>\n<p>Union the solids together to create one single solid model. (Figure Step 4)<\/p>\n<figure id=\"attachment_1070\" aria-describedby=\"caption-attachment-1070\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1070\" src=\"https:\/\/opentextbc.ca\/accessibilitytoolkit\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-4.jpg\" alt=\"\" width=\"200\" height=\"516\" srcset=\"https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-4.jpg 256w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-4-116x300.jpg 116w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-4-65x168.jpg 65w, https:\/\/opentextbc.ca\/autocad3d\/wp-content\/uploads\/sites\/376\/2021\/11\/24-2-4-225x580.jpg 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><figcaption id=\"caption-attachment-1070\" class=\"wp-caption-text\">Figure Step 4<\/figcaption><\/figure>\n<div class=\"textbox author\"><strong>AUTHOR&#8217;S COMMENTS:<\/strong> This solid model is not complete. In Module 29, you will be shelling the model to remove the inside to create a bottle.<\/div>\n<h2>Step 5<\/h2>\n<p>Save and close the drawing.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"author":90,"menu_order":3,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1071","chapter","type-chapter","status-publish","hentry"],"part":923,"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/chapters\/1071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/wp\/v2\/users\/90"}],"version-history":[{"count":1,"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/chapters\/1071\/revisions"}],"predecessor-version":[{"id":1072,"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/chapters\/1071\/revisions\/1072"}],"part":[{"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/parts\/923"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/chapters\/1071\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/wp\/v2\/media?parent=1071"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/pressbooks\/v2\/chapter-type?post=1071"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/wp\/v2\/contributor?post=1071"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/autocad3d\/wp-json\/wp\/v2\/license?post=1071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}