MakerGear M2 filament drive adjusted to fit J-Head hotend

I've attempted to adjust the MakerGear M2 filament drive to fit a J-Head hotend. I've not tested this yet, but thought I'd share anyway.

MakerGear hotends and J-Head hotends are a bit different. The push fit section diameters are 16.5mm and 12.5mm on the MakerGear, and 16mm and 12mm on the J-Head. The push fit sections are also different length, with the MakerGear sections being 5mm and 5mm respectively, while the J-Head lengths are 4.8mm and 4.6mm, respectively.

I based this off the STEP