2 Tetrahedra + 3 Squares
It is also possible to combine my compound of three squares with two tetrahedra.
Folder: Dirk Eisner
Designer of the units: Dirk Eisner and the 60 degrees end of the tetrahedron by Francis Ow and Tomoko Fuse
Edge length of the tetrahedron: 22 cm
48 units - 2 different modules