Spiral tower marble runs

Free 3D-printable marble runs shared by makers. Open one to watch a marble roll through it, remix it, then download the STL or 3MF for your printer.

Build your own

5 runs

Print any of these marble runs

Every run here prints without supports and was generated to fit a real printer bed. Open a run, pick your printer and marble size, then press Download for an STL. New to printing marble runs? Read how to 3D print a marble run, or browse by style: spiral towers, zigzag walls and freeform runs.