Mini-er Brain Gears

I decided that there was too much wasted space in my previous mini brain gear assembly, so I redesigned the gears to make them thinner. This also speeds up assembly as I can now use 2mm dowel pins (see link) as shafts rather that having to painstakingly measure, cut, and shape PLA shafts. Post-printing only requires one to quickly ream holes with a 2mm drill bit. Perhaps I will make an even smaller version in the future.

https://www.amazon.com/Stainless-Steel-15-8mm-Fasten-Elements/dp/B00B3MFRRK/ref=sr_1_1?ie=UTF8&qid=1517276253&sr=8-1&keywords=2mm+dowel+pin

UPDATE 07OCT18: I highly recommend using my updated design instead of this one. It may be found here: https://www.thingiverse.com/thing:3141712. Parts are not backward compatible.