A simple fidget cube (a.k.a. infinity cube) that utilizes the properties of TPU to make the hinges work.

Print settings

Print with 0.4mm line width and 0.2mm layer height.

2 bottom/top layers, 1-2 walls and <20% infill to make the cubes soft and squishy.

3+ bottom/top layers, 3+ walls and >50% infill to obtain more stiff cubes.