RC Skid loader (1:10 scale)

This 1:10 scale RC skid loader is actually much more than a toy. It serves as a test bed for automation control software in the company that I work for. I have done the 3D design, the electronics and software for the drive controller and all the printing as part of a "slacktime" project, to give all of us in our department something really cool to program on. That is why the model is big enough to hold a RaspberryPi Zero, which is the actual hardware platform that we will be testing our software on (and the 2800mAh 12V battery will give us enough battery capacity for hours of operation).

With 42 single plastic pieces (32 different pieces, some of them needed multiple times), and over 88 hours of total print time for all parts, I had to do almost all of the work in my spare time at home. I have put a lot of love into the details, that is why all four axis are guided by two ball bearings each, just like the axis for the arm.

Since this kind of skid loader (which tries to be as clo