Laser Spirograph

Laser Spirograph (meant as a tree topper)

DO NOT USE A LASER STRONGER THAN 5mW (Class IIIa) FOR THIS DEVICE! This has not been tested by anyone to be safe for lasers stronger than 5mW. If the motor drivers stall and the laser happens to be pointing at your eye, you will not see out of that eye any more. This is serious, folks!!!

https://www.youtube.com/watch?v=p59LU9QrhCM

BOM:
Two vibration motors - you can pick up at Radio Shack. https://www.radioshack.com/products/radioshack-3vdc-micro-vibration-motor?variant=5717362821
Laser Module - I got mine off ebay (100 mW with TTL control) but it looks exactly like this one: http://odicforce.com/epages/05c54fb6-7778-4d36-adc0-0098b2af7c4e.sf/en_GB/?ObjectPath=/Shops/05c54fb6-7778-4d36-adc0-0098b2af7c4e/Products/OFL194
1" square mirror tiles - like you would find at a craft store
Arduino - I use Arduino Pro Minis for practically everything.

Use SpiroMount5 or SpiroMount10 depending on the throw you want. The SpiroMount10 wi