artIn stock
Trefoil Knot
$64.00The simplest knot there is, cast in solid resin.
Resin
A working 5:1 reduction, printed in place.
$56.00
FinishCarbon
In stock · ships in 3 days
Sun, three planets, ring and carrier are printed as one assembly with clearances tuned to 0.25 mm, so it turns smoothly straight off the plate. Carbon-fiber nylon keeps the teeth stiff and wear-resistant. Use it as a desk fidget, a teaching model, or a drop-in stage for your own builds.