WeldingRod Bot: Exactly Constrained 3D Printer

A 3D printer based on the Cobblebot kit or OpenBuilds parts that is not over-constrained - smooth motion with minimal adjustment.

I'm printing now!

*** The name Cobblebot is the property of Cobblebot Inc. This work uses the kit of parts provided by them for a "Basic", but is radically different from their design. ***

I'm working on a modified build for the Cobblebot or OpenBuilds parts that will get it closer to an exactly constrained system (and much less sensitive to rail align