12:1 Gear Box Upgrade

I finally have got my service up and running, please visit https://www.blueboxgoblin.co.uk/ for some other interesting projects.

This is upgrade to my 9.6:1 gearbox. Module remain on 1.25mm.

Gears:
- pinion 13 teeth
- gear one 59/23 teeth
- gear two 61/15 teeth

To access original gearbox and additional information use link below:
https://www.thingiverse.com/thing:2620402