actually 20x20x20 rounded cube —

Founded actually 20x20x20 rounded cube models & stl files for printing
Hyper Cube
ch3m1st
Rubiks cube holder
3D Whatevs
Infinity Cube
highping
XYZ 20mm Calibration Cube
iDig3Dprinting
Textured Rubik cube
ElFan7asma