I made a little Soma Cube and a matching box.
Print it and see if you can solve the puzzle.
Print each piece once one after the other in different colors.
If you want to print all parts at once use the "soma cube complete" model.
Disclaimer:
This work by blecheimer is licensed under CC BY-NC-SA 4.0
You are not allowed to copy this model to other 3D printing websites without my permission.
The author marked this model as their own original creation. Imported from Thingiverse.