Wedgit

clone of wedgit building blocks.

I gave them a slight decrease to size so they fit nicely, and rounded off the corner so it's safe for kids.

Find the dirty dirty Inventor files used to generate the STL. It's very simple geometric shapes so I don't think you need any printing tips. zero infill required.

Original Onshape file:
https://cad.onshape.com/documents/b3229fe367aaf9b3c05f9b4c/w/c740fce7f307863e6d8aef69/e/7014fbab03b9a33335045736