tetrahedron puzzle 3 variations each with equal parts —

Founded tetrahedron puzzle 3 variations each with equal parts models & stl files for printing
Guitar drill plectrum
TheMadRobot
Hex Parts Tray
Squirrelbrain
Forest Cabins
Popeguy
tools
shopper
Dyson DC41 cyclone catch
Tom Anderson (The ReaL NEO)