Creates revolved shapes with winding patterns or revolved loops, coils and ropes.

This addin is a free offshoot of the Windings Ropes and Coils addin. You get the curves, but not the 3D functionality.

Cord, Coil or Rope along a Curve

Generates straight, helical and herringbone external, internal and rack gears as well as non-enveloping worms and worm gears.

This app automatically places parts on a sheet in a material-efficient manner given sheet size & spacing using the SVGNest open-source nesting algorithm.