Draw 3D Screw Threads | Cadalyst
Draw 3D Screw Threads 31 May, 2002 By: Tony Hotchkiss. HELIX.LSP creates wire frame helical screw threads for 3D drawings. Benny (no last name supplied) e-mailed a request to draw 3D screw threads in AutoCAD. HELIX.LSP creates a helical screw thread in the form of a surface model.
