https://community.graphisoft.com/t5/Installation-update/Solid-element-operation-with-spiral-amp-curved-wall/m-p/24274#M3258 <DIV class="actalk-migrated-content"><T>Hi,<BR /> <BR /> I am trying to trim a wall (curved in plan) to a spiral (upwards curving helix from 'basic shapes' library parts) by using the solid element operation with upwards extrusion.<BR /> <BR /> Problem is, this occasionaly works, but usually doesnt. Very frustrating . . . <BR /> <BR /> I am using student version 9. <BR /> <BR /> Any ideas what is going wrong?</T></DIV> Thu, 05 Apr 2007 14:34:06 GMT Anonymous 2007-04-05T14:34:06Z https://community.graphisoft.com/t5/Installation-update/Solid-element-operation-with-spiral-amp-curved-wall/m-p/24274#M3258 <DIV class="actalk-migrated-content"><T>Hi,<BR /> <BR /> I am trying to trim a wall (curved in plan) to a spiral (upwards curving helix from 'basic shapes' library parts) by using the solid element operation with upwards extrusion.<BR /> <BR /> Problem is, this occasionaly works, but usually doesnt. Very frustrating . . . <BR /> <BR /> I am using student version 9. <BR /> <BR /> Any ideas what is going wrong?</T></DIV> Thu, 05 Apr 2007 14:34:06 GMT https://community.graphisoft.com/t5/Installation-update/Solid-element-operation-with-spiral-amp-curved-wall/m-p/24274#M3258 Anonymous 2007-04-05T14:34:06Z