https://forums.autodesk.com/t5/autocad-forum/subtract-command-not-working/m-p/10229515#M80274 <P>I created a main column drawing first in "Drafting &amp; Annotation" then I switched to 3D basics so I could extrude my main column and subtract the 5 holes. When I select the Subtract command I selected what I wanted to subtract from, enter, and then the five holes I wanted to subtract. Every time I do this I get "No solids, surfaces, or regions selected" how can I fix this?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Column.PNG" style="width: 663px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/905074iFF2295326F7BC7B5/image-size/large?v=v2&amp;px=999" role="button" title="Column.PNG" alt="Column.PNG" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="couln 2.PNG" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/905075i56F3D778361BB407/image-size/large?v=v2&amp;px=999" role="button" title="couln 2.PNG" alt="couln 2.PNG" /></span></P> Sun, 11 Apr 2021 18:57:09 GMT Anonymous 2021-04-11T18:57:09Z https://forums.autodesk.com/t5/autocad-forum/subtract-command-not-working/m-p/10229515#M80274 <P>I created a main column drawing first in "Drafting &amp; Annotation" then I switched to 3D basics so I could extrude my main column and subtract the 5 holes. When I select the Subtract command I selected what I wanted to subtract from, enter, and then the five holes I wanted to subtract. Every time I do this I get "No solids, surfaces, or regions selected" how can I fix this?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Column.PNG" style="width: 663px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/905074iFF2295326F7BC7B5/image-size/large?v=v2&amp;px=999" role="button" title="Column.PNG" alt="Column.PNG" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="couln 2.PNG" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/905075i56F3D778361BB407/image-size/large?v=v2&amp;px=999" role="button" title="couln 2.PNG" alt="couln 2.PNG" /></span></P> Sun, 11 Apr 2021 18:57:09 GMT https://forums.autodesk.com/t5/autocad-forum/subtract-command-not-working/m-p/10229515#M80274 Anonymous 2021-04-11T18:57:09Z https://forums.autodesk.com/t5/autocad-forum/subtract-command-not-working/m-p/10229578#M80275 <P>Hi,</P> <P>&nbsp;</P> <P><EM><FONT color="#333399">&gt;&gt; Every time I do this I get "No solids, surfaces, or regions</FONT></EM></P> <P><EM><FONT color="#333399">&gt;&gt; selected" how can I fix this?</FONT></EM></P> <P>From your screenshot it looks like you only have circles and not cylinders, so the message "no solids" is correct as command <STRONG><FONT color="#333399">_SUBTRACT</FONT> </STRONG>with a base object = 3D-Solid only can subtract an entity of same type. As a circle does not have a depth you can't use it this way.</P> <P><BR />You might try command <STRONG><FONT color="#333399">_PRESSPULL</FONT> </STRONG>instead of <STRONG><FONT color="#333399">_SUBTRACT</FONT> </STRONG>which could make it a bit easier.</P> <P>&nbsp;</P> <P>- alfred -</P> <P>&nbsp;</P> Sun, 11 Apr 2021 19:46:24 GMT https://forums.autodesk.com/t5/autocad-forum/subtract-command-not-working/m-p/10229578#M80275 Alfred.NESWADBA 2021-04-11T19:46:24Z