

MB16 modular marble run
A fully printable marble run for 16 mm glass marbles on a 48/96 mm grid that fits building bricks. A print-in-place chain lifts the marbles up the tower. Click any track piece to swap it – loop, spiral, funnel, seesaw and more – and the planner closes the track automatically. Because everything is modular, the run keeps growing with every new printed part.
- Click a track piece – the track closes itself
- 11 track modules, 8 presets, marble race
- Tower extends in 48 mm steps
- Stud grid that fits building bricks




