Marble run for bricks made by 3D-printer DE EN

Marble Run
Marble run for your 3D printer for marbles up to 13 mm diameter. The Marble run is compatible with all popular manufactures of bricks.
The first connection with the bricks could be a little difficult. I thought to myself, better a little to tight than to loose.

All Files are licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license and can be downloaded as .STL.