MF-01X Mid motor mod

Check out new, improved version:
https://www.thingiverse.com/thing:6425384

NOTE: This model is a prototype. I tried to catch as many issues as possible, the model works for me, but there might be other issues. Any feedback will be appreciated and found issues will be fixed in next version.

More detailed assembly manual and photos will be added later.

This is little project that was in my mind since introduction of Tamiya's MF01X chassis. The chassis is versatile M-chassis, spiritual succesor of TL-01 with several flaws of the original fixed. But for some reason, Tamiya decided to put its motor high behind the rear axle, creating undesirable weight distribution (especially with light lipo batteries). Also, its gearing might be suitable for Jimny/Mercedes offroad models, but not really for rally Escort/Beetle ones. So, I decided to fix that.

The design had two targets: it should look like a Tamiya part and use as few extra non-printed parts as possible. I also didn't want to