{"id":15255,"date":"2025-02-25T07:00:00","date_gmt":"2025-02-25T15:00:00","guid":{"rendered":"https:\/\/www.autodesk.com/blogs\/autocad\/?p=15255"},"modified":"2025-02-21T16:11:04","modified_gmt":"2025-02-22T00:11:04","slug":"autocad-3d-editing-tuesday-tips-with-frank","status":"publish","type":"post","link":"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-3d-editing-tuesday-tips-with-frank\/","title":{"rendered":"AutoCAD 3D Editing Basics: Tuesday Tips With Frank"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.autodesk.com\/blogs\/autocad\/autocad-2d-to-3d-tuesday-tips-with-frank\/\" target=\"_blank\" rel=\"noreferrer noopener\">In my last Tuesday Tip<\/a>, I introduced you to some handy tools for turning your 2D shapes into 3D solids. Today, I\u2019m going to take you just a little further with AutoCAD 3D editing and show you how easy it is to turn your extruded (or press\/pulled) objects into more complex structures.<\/p>\n\n\n\n<p>To illustrate these tools better, I will use the same simple geometry I created last time: a box and a cylinder (extruded from a 2D rectangle and a circle). However, for today\u2019s post, I\u2019ve moved the cylinder to the center of the box and made it a little taller.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1.jpg\" data-lbwps-width=\"1172\" data-lbwps-height=\"427\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1-300x109.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"373\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1-1024x373.jpg\" alt=\"Screenshot of cylinder and cubes in AutoCAD\" class=\"wp-image-15256\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1-1024x373.jpg 1024w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1-300x109.jpg 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1-768x280.jpg 768w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/21\/3D-Editimage_1.jpg 1172w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>The subjects today are the 3D editing tools, <strong>Union, Subtract, and Intersect.<\/strong> They can be found in either the 3D Modeling workspace or the 3D Basics workspace. I\u2019ll be demonstrating these tools via the 3D Basics workspace, as it\u2019s a bit cleaner and easier to see the icons.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-union\">Union<\/h2>\n\n\n\n<p>The first tool out of the box is Union. With this command, you don\u2019t have to worry about what order you select things (more about that with the next tool). As you\u2019ll see in the animation below, I take advantage of this by using a crossing window selection box. Quite simply, the UNION command will combine all the selected 3D solids into a single solid object. So, I no longer have a box and a cylinder, but now I have a box with some kind of a boss on top.<\/p>\n\n\n\n<p>Please keep in mind that my examples are simply for visualization purposes and do not depict anything useful.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_2.gif\" data-lbwps-width=\"1056\" data-lbwps-height=\"768\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_2-300x218.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1056\" height=\"768\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_2.gif\" alt=\"Animated gif of AutoCAD Union example\" class=\"wp-image-15260\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-subtract\">Subtract<\/h2>\n\n\n\n<p>On to the second tool \u2014 the Subtract command. In this animation, you\u2019ll notice I pause for the extended tooltip when selecting the subtract icon. This is a reminder to use these, especially in the 3D workspaces, as they give you a detailed (and sometimes animated) illustration of how the tool works.<\/p>\n\n\n\n<p>You\u2019ll see that its workflow is to select the object(s) you want to keep, hit enter, and then select the object(s) to subtract. In this case, I\u2019m keeping the box and using the cylinder to subtract, thus creating a hole in the box. You may also notice that I\u2019ve moved the Command Line into frame and used F2 to expand it into the text window. I did so because, for some reason, the prompts for what to select (the kept object vs the subtraction object) are not very clear\u2014just something for you to keep in mind.<\/p>\n\n\n\n<p><strong><em>Bonus Tip:<\/em><\/strong> I\u2019m using the Orbit command at the end to show the hole better. Just hold down your Shift key, press down the scroll wheel on your mouse, and just move the mouse around! It\u2019s a fast way to visualize your 3D work.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_3.gif\" data-lbwps-width=\"1056\" data-lbwps-height=\"768\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_3-300x218.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1056\" height=\"768\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_3.gif\" alt=\"Animated gif of Subtract in AutoCAD\" class=\"wp-image-15263\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-intersect\">Intersect <\/h2>\n\n\n\n<p>The third and final tool for the day is the Intersect command. I stayed with my box and cylinder solids, but using intersect on them doesn\u2019t do Intersect justice. It just creates a smaller cylinder. However, the extended tooltip has a terrific visual example, as shown below.<\/p>\n\n\n\n<p>Both shapes began as 2D objects that were extruded into 3D solids. Intersect operates just as you would expect. It takes the overlapping regions of multiple 3D solids and turns the overlap into a new solid.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_4.jpg\" data-lbwps-width=\"339\" data-lbwps-height=\"363\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_4-280x300.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"339\" height=\"363\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_4.jpg\" alt=\"Screenshot of AutoCAD Intersect\" class=\"wp-image-15266\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_4.jpg 339w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_4-280x300.jpg 280w\" sizes=\"auto, (max-width: 339px) 100vw, 339px\" \/><\/a><\/figure>\n\n\n\n<p>Much like the Union command, you don\u2019t have to worry about the order of your object selection. In my example animation below, I selected the box and cylinder individually, but I could have also used a crossing window as I did with Union.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_5.gif\" data-lbwps-width=\"1056\" data-lbwps-height=\"768\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_5-300x218.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1056\" height=\"768\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2025\/02\/25\/3D-Editimage_5.gif\" alt=\"Animated gif of AutoCAD Intersect\" class=\"wp-image-15269\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-summing-up\">Summing Up<\/h2>\n\n\n\n<p>As you can see, these tools are not too terribly difficult to use, but they\u2019re extremely powerful, especially when used together. Hopefully, even with my incredibly simple examples, you\u2019ve been inspired to visualize how they can bring your seemingly complex project to fruition.<\/p>\n\n\n\n<p>Hey, there\u2019s nothing wrong with keeping one foot in your familiar 2D world, but don\u2019t be afraid to put the other into 3D. Poke around some while you\u2019re there. Expand the Ribbon Panel and see what other tools are available in the Additional Tools area. Explore both 3D workspaces. You\u2019ll find familiar tools (3D versions of Chamfer and Fillet) and some new ones as well.<\/p>\n\n\n\n<p>And by all means, don\u2019t forget to hover over them to see their Extended Tooltip. It\u2019s a terrific method for getting a feel for how a tool works before you find a need to use it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-more-tuesday-tips\">More Tuesday Tips<\/h2>\n\n\n\n<p>Check out our whole\u00a0<a href=\"https:\/\/www.autodesk.com\/blogs\/autocad\/tag\/tuesday-tips\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tuesday Tips series<\/a>\u00a0for ideas on how to make AutoCAD work for you.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In my last Tuesday Tip, I introduced you to some handy tools for turning your 2D shapes into 3D solids. Today, I\u2019m going to take you just a little further with AutoCAD 3D editing and show you how easy it is to turn your extruded (or press\/pulled) objects into more complex structures. To illustrate these [&hellip;]<\/p>\n","protected":false},"author":329,"featured_media":15274,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[893],"tags":[869,510,828,523,665],"class_list":["post-15255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning","tag-3d","tag-3d-modeling","tag-autocad-commands","tag-tips","tag-tuesday-tips","dhig-theme--light"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>AutoCAD 3D Editing Basics: Tuesday Tips With Frank | AutoCAD Blog | Autodesk<\/title>\n<meta name=\"description\" content=\"Discover how powerful and easy it is to use Union, Subtract, and Intersect tools for AutoCAD 3D editing.\" \/>\n<meta name=\"robots\" content=\"index, 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