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This routine by Michael Weaver will calculate the volume and center of gravity for 3D solids in AutoCAD. Start by loading the LISP file, then run the command ModelStats. Select one... Read more
Tip 2274: Steel Plate Extrusion Also from Antonia Acosta, the Steel Plate Extrusion utility is a handy LISP program that allows you to sketch steel plates in 2D and then quickly extrude them i... Read more
Tip 2277: Pipe and Column Extrusion Raymond Rizkallah also supplied this month's top tip, Pipe and Column Extrusion, a set of utilities for 3D drawing work. The functions - CV3, CV4, and CV5 -... Read more