Yet Another Kossel XL Bed Support

This is a bed support for Kossel XL printer, designed around an Onyx 310mm bed heater with twelve M3 screw holes and 360mm 2020 horizontal extrusions. I provide OpenSCAD source files so you can tweak the design if desired or necessary; but beyond a certain point it may be better to simply find another bed support.

To be useful, you'll need to print three of these Things. Each requires four M5x16 screws and four T-nuts for attaching the support to the frame, plus one to three M3x12 or M3x16 sc