3D printing timelapse make of a expanding circular linkage, similar to Hoberman sphere in 2 dimensions. This model is designed to be print in place as an assembly without supports.

The design can be found here:
"Print in Place Expanding Circular Linkage" by plusalphaDesigns:
https://www.thingiverse.com/thing:411... OR
https://cults3d.com/en/3d-model/art/p...

Also check out more of my designs on Thingiverse for nerdy items and more!
https://www.thingiverse.com/plusalpha...