actually 20x20x20 rounded cube —

Founded actually 20x20x20 rounded cube models & stl files for printing
Cube Puzzle
Reachash
Balance game
Hawwwran
Cube Puzzle  Brain Teaser
Creative MinerX
Cube Lamp
An3@
VoxelArt n°2
Parangon
Cube illusion
Oliver_Lovstrom