GT2 timing belt - 100mm diameter

GT2 timing belts for your robot or machine. Designed to be printed with NinjaFlex flexible filament. Please share your creations if you use this part!

Update: 3/14/15 (Pi Day!)
There's a new SemiFlex which has more limited stretch and may work better than the NinjaFlex for timing belt applications - please post your results if you've tried it.