https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4860020#M346956 thank u Thu, 06 Mar 2014 09:28:11 GMT Anonymous 2014-03-06T09:28:11Z https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4857145#M346954 <P>can anyone tell me the opposite command for the "UNION comand" in other words is there any a comand for &nbsp;deunion&nbsp;</P> Wed, 05 Mar 2014 08:48:54 GMT https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4857145#M346954 Anonymous 2014-03-05T08:48:54Z https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4857211#M346955 <P>Hi,</P> <P>&nbsp;</P> <P>sorry no, not as long as those 3D-solids are "one-in-another" or at least overlapping.</P> <P>The chance you have is to use <FONT color="#000080">&lt;CTRL&gt;-&lt;CLICK&gt;</FONT> to select one of the 3D-solids that are part of UNION, then move that part away from the other part. And when the parts are not overlapping you can use command <STRONG><FONT color="#000080">_SOLEDIT</FONT></STRONG> with options <STRONG><FONT color="#000080">_BODY</FONT></STRONG> ==&gt; <STRONG><FONT color="#000080">_SEPERATE</FONT></STRONG>. (in the menu it's called "Seperate".</P> <P>&nbsp;</P> <P><IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/85347i6ED7F40D09E08563/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="SolidSeperate_AN01.gif" title="SolidSeperate_AN01.gif" align="middle" /></P> <P>&nbsp;</P> <P>Just to make sure: the subobject handling can only work when SOLIDHIST was on.</P> <P>&nbsp;</P> <P>- alfred -</P> Wed, 05 Mar 2014 09:20:41 GMT https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4857211#M346955 Alfred.NESWADBA 2014-03-05T09:20:41Z https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4860020#M346956 thank u Thu, 06 Mar 2014 09:28:11 GMT https://forums.autodesk.com/t5/autocad-forum/union-command/m-p/4860020#M346956 Anonymous 2014-03-06T09:28:11Z