partsIn stock
Planetary Gear Set
$56.00A working 5:1 reduction, printed in place.
Nylon-CF · PETG
The simplest knot there is, cast in solid resin.
$64.00
FinishInk
In stock · ships in 5 days
The trefoil is the first non-trivial knot in mathematics: a single loop that cannot be untied without cutting. We print it in high-resolution resin, cure it twice and hand-finish the surface to a soft satin. A quiet object for a shelf or desk that rewards a second look.