tetrahedron puzzle 3 variations each with equal parts —

Founded tetrahedron puzzle 3 variations each with equal parts models & stl files for printing
Pi Puzzle
CyanFabricates
LithoPuzzle
Printing_Reality
Excaliburr Puzzle
Jebidiah_Crumps
Release the Ring!
Danie Conradie
Millennium Puzzle
LadySerpentine
Pentomino Calender
abekabakoff