Little more progress. I soaked some blue shop towels in evaporust and draped them over the rails for a few hours. Took them off and then went to town with WD-40 and a green scotch brite. There were a few stubborn spots I had to hit with a brass wire wheel but overall not too bad. They look great and glide buttery smooth

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Also got a leadscrew and nut for the X axis.

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