Ayse Bosse Model : This activity works on the same principle of gears rotating around rings with geared teeth to create geometric patterns, however, whereas the rings in spirograph were pinned to a backing below the paper, perhaps as a sign of the all risk averse at all costs 'elf & safety times, spiral designer does not do this.

This activity works on the same principle of gears rotating around rings with geared teeth to create geometric patterns, however, whereas the rings in spirograph were pinned to a backing below the paper, perhaps as a sign of the all risk averse at all costs 'elf & safety times, spiral designer does not do this.