D-Bot 3 Wheel Guide

I didn't care for all the little spacers involved in the assembly of the wheels in the carriages and I wanted a 3 wheel system too. I also didn't want to have to do any major reprints of items I had already printed. The wheels will slide into the trucks between the built in spacers and bolt up to the carriage as a single unit for the top and the bottom. The third wheel still has to be adjusted using the two bolts but there is only one wheel.
There are also two mounting holes for acces