4x4 puzzle cube —

Founded 4x4 puzzle cube models & stl files for printing
Mr Good Cube
3D Whatevs
Calibration Cube 40mm
mrmechanicen
Nail Puzzle Box
BINGOPRINTS
Spiral puzzles
peridot
3DPuzzle Ball
HobbyPrinter
Ball Puzzle  Brain teaser
Creative MinerX