Pitan Bowden Modified Gear and Mount

I modified the small gear to use a M2x6mm screw to secure it to the flat of the shaft. I found that the gear with the printed in flat spot wasn't up to the task and kept rounding off on the shaft.

I also made a mount to mount the extruder at 45D on 2020 extrusion to sit on the side of my hypercube printer.

The 7.5mm standoffs are required to clear the set screw addition on the small gear.

Use 3x M3x40mm screws instead of the 3x M3x30mm (from the original Pitan) screws to secure it to th