Some of our Patreon supporters come to us with really great ideas! For example to make puzzle-like structures to ensure all pieces line up properly when glued together. This is the addition that one of our supporters made in OpenSCAD, unfortunately resulting in a non-manifold model.
We found the idea so great that we decided to implement it in our models (made with 3ds Max). The new versions will soon be online!
And the end-result: