I have bought some linear rails to make something. The need was for two 150mm MGN7 (7mm wide) rails and four trucks, and it transpired that buying five rails+trucks was the cheapest way to do this as they are supplied as a kit for makers of the remarkable open-source Voron 0.1 3d printer. Chinese-made linear …
This story continues at Washing out an MGN7 linear rail
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