5 model

Free

Kaleidocube - The Invertible Geometric Puzzle

Printables

Free

Kaleidocycle

Thingiverse

Free

Kaleido Pump Cover Armband

Cults3D

Free

Kinetic box insert

Printables

Free

Infinity Cube — Animal Fidget (folding magic cube, 48 engraved animals, two-colour)

Printables