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MGN12C Linear rails for Y axis on Prusa i3 Mk2.5 Bear

by Olorf Jul 31, 2019
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What length need a linear rail?

350 mm or 370 mm depending on your frame.

Is there a difference in the range of table motion in the Y axis for 350mm and 370mm lengths?

I haven't done the 370 mm assembly, so not sure. But you can probably fit more demanding mounts with the 370 mm frame.