April 13, 2020
Description
Tetrahedron brain-teaser
Print from PLA. It may be necessary to grind the parts gently with emery paper.
3bals.stl print 2x and 3ball.stl print 4x.
Object:
Assemble printed parts to the shape of tetrahedron.
License:
Creative Commons — Attribution — Noncommercial
John
