EDIT: Added pillow block end for the R1 bed (untested).
EDIT: If printed in PLA some sort of under bed insulation is required if using the bed heated.
I've included the original chain link for completeness. I added an extra fixing hole for the base end to ensure it doesn't swivel, which also means it doesn't have to be mounted hard against the smooth rod bearing housing. The pillow block end's bracket is designed to mount to the underside of the Y Axis pillow block. Ensure you print enough links that the bed can move it's complete travel distance.
The cable hole in the base is 10mm. When you drill the hole make sure you start with a 2 or 3mm bit and work your way up to 10mm in 1-2mm increments.
Printed in PLA with 3 perimeters, 3 top/bottom layers, 20% infill, and no support.
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