Mazes ("layers")

This is a set of large mazes ("layers") that can be navigated with a steel ball. By default, they have a diameter of 30cm (~11.8 inches) and work well with a 6mm (1/4 inch) steel ball, but can be scaled down without problem (see picture 4 for an example).

Ideally, print them in multiple colors, but they work equally well in a single one (even though they do not look as awesome then). PLA works well.

Multiple layers can be locked together (e.g., for transport) using the attachment clips. Print 3 clips for every two layers. Place them in alternating fashion on the "fins" on the outside of the layers as shown in picture 3.