Tarmo 5 Main Gear Weight Reduction

These are some weight reduced gears I modified from the original gear design after looking in to printing the main gear and pinion in metal.  This weight reduction knocked off almost $100 from the original quote on PCBWay.

In theory these should be just fine printed in plastic. There is a 4mm band in the center between the center mount and gear teeth.

Using the weight reduced gear with holes and identical settings I shaved off 4g (44g to 40g) in filament according to Cura.  Nearly a 10% weight savings.

I have not tried these in my own Tarmo 5 yet.  I'm still waiting for my current main gear to wear out before swapping.