Doppelkeil SkewbAn Ultimate Skewb with 4 sides "deleted".
Aka Extended Ultimate Skewb F8001006000C00000201040200801F
DrakenA four times truncated pyraminx.
Drum CubeA shape variant of a 3x3x3 anywhere between a rhombohedron and a hexagonal prism.
Gear TetraminxA Gear Pyraminx truncated into a shape resembling a archimedean solid.
Giant TetraminxA Tetraminx made to be the largest full functional Tetraminx ever made.
GyrobifastigiumA puzzle specifically designed to explore the realm of the rarely used Johnson solids. The puzzle's name is also the name of the puzzle's shape.
Jumble TrapThe non-pillowed version of the face-turning tetragonal trapezohedron. A jumbling-only puzzle.
KristallThe Tetraminx produced in Riga during the soviet era.