Duplo marble run

A marble run I designed and printed for my nephew. It is fully duplo compatible and uses a profile to connect with duplo that can be printed laying down without support. The tolerances are made to feel like actual duplo so little kids can build and destroy without needing adult hands to push the bricks tight. This includes 3 plates and all the models on them separately as well as some extra models that are not included on the plates as I consider them too niche, but if you're printing a lot