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RickM
I finally got all the parts (and finally got hold of someones pillar drill!) but havn't had time.
For what it's worth, I made two sets of rod ends using a cordless hand drill with no problems. My magnetic spheres are 1/2 inch (12.7mm) though, and I used a 1/2 inch spherical cutting tool. One set of rods were M3 socket drives, and the other one was M5's. I just held the rod/screw in front of the drill, squeezed the trigger, and worked them slowly freehand.
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AndyCart
I played around with some printed sliders but didn't have much luck. They ran on the extrusion very smoothly but due to the position of the GT2 belt they kept jamming when run from the steppers. The angles were all wrong.
Would they work any better if the belt was inside the T-slot groove with two "ears" sticking into the slot that attach to the belt?
My current Delta RepStrap is using V-slot and the mini-V wheels. The oblong spacers were pretty close to the edge of their adjustability range when I put them into the mini metal slider plate, and I don't think that I could find any more tension against the extrusion if they wear even a hair. Hopefully you will come up with a better adjuster mechanism than OpenBuilds did.....
