Kossel Adjustable Bed Clamp Flexible

Like Netsquash in the source of this model, I had problems using the original adjustable bed clamp due to the very small tolerances allowed with the printer.

I also had a problem with Netsquash's version with the well where the screw connects to the printer extrusion. It normally spins freely to bring the nut in the extrusion up against the plastic and metal. Unfortunately the well wasn't wide enough and the screw was cutting into the well making it nearly impossible to tighten it appropriat