Saint Flint - 11mm Drive Gear - PC4-M5 fittings

This is my revision to the Saint Flint extruder.

- 11mm Mk10 drive gear. 36 or 40 teeth, it does not matter

- M5 push fit connector instead of the nut trapped bowden tube connectors
McMaster Carr part number 7880T368, $1.44 / each (Jan 2019 price), need 4 total
https://www.mcmaster.com/7880t368
I used these because they have a narrow profile and can sit very close to each other side-by-side
- hex shaped filament path bores to make it easier to print

- print