https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9951631#M89280 <P>How to remove overlapping between 3d solid and surface?</P><P>Is there any command like "bring to front, send to back, etc" (draw order) in this case?</P><P>I've tried rendering but the result shows that overlapping still exist.</P> Sun, 20 Dec 2020 01:41:15 GMT Anonymous 2020-12-20T01:41:15Z https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9951631#M89280 <P>How to remove overlapping between 3d solid and surface?</P><P>Is there any command like "bring to front, send to back, etc" (draw order) in this case?</P><P>I've tried rendering but the result shows that overlapping still exist.</P> Sun, 20 Dec 2020 01:41:15 GMT https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9951631#M89280 Anonymous 2020-12-20T01:41:15Z https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9951971#M89281 <P>I think you will need a small (practically negligible) distance between the both objects. Move the roof (surface) upwards or shorten the height of the wall.&nbsp;</P> Sun, 20 Dec 2020 10:14:24 GMT https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9951971#M89281 j.palmeL29YX 2020-12-20T10:14:24Z https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9952264#M89282 <P>My first choice would be to do as&nbsp;<a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/5952317">@j.palmeL29YX</a>&nbsp; suggests, move the roof vertically a short distance.</P><P>&nbsp;</P><P>You could also define a UCS using points 1, 2, and 3 in the image below and the create a big box on the UCS's XY plane that covers the portion of the wall poking through the roof.&nbsp; Then subtract the box from the wall.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 669px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/858344iD910F10695FAFE41/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></P> Sun, 20 Dec 2020 14:40:33 GMT https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9952264#M89282 leeminardi 2020-12-20T14:40:33Z https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9952380#M89283 <P>profile the roof and extrude it to a solid.&nbsp; attached .01 thick</P> Sun, 20 Dec 2020 16:07:15 GMT https://forums.autodesk.com/t5/autocad-forum/how-to-remove-overlapping-3d-solid-and-surface/m-p/9952380#M89283 parkr4st 2020-12-20T16:07:15Z