BLV mgn12 AM8 adjustable Z motor mounts
thingiverse
I'm running into some trouble aligning my lead screws, so I modified the original Z motor mounts to allow for sliding the motors back and forth during alignment. Furthermore, I took off the lettering on the side as that's a major complaint I have with the BLV mod. I left in the internal ribs, though, which might limit how far you can move the motor backward. To help distribute the load, I'd suggest throwing an M3 washer into the mix.
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