Construction System 204

This is a two-part, cube-base construction system. The pieces are designed to be printed simply and without supports. The cube folds together. Cubes are then joined with connector pieces. Post-tensions with zips, cables, etc is recommended. The models are available for copying and editing on Onshape.

https://cad.onshape.com/documents/2bb1eb36294a83c56b505a8a/w/b0d0b5ef6c28c35521c7cc62/e/b998049e694b5c3bb73e6348