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I'm putting together the U-joints on the cheapskates, and the round u-Joints move freely on the metal rod, but when I put the plastic retaining clips on, it pushes in on the joints too hard and creates a lot of friction on the motion. The joints are very stiff now and I can't imagine it would be good to have the joints that stiff. Is this as designed? How freely should they rotate? I imagine as freely as possible as long as there is no slop?

-David

it is designed... during our testing we started with weaker cliips, and it created too much slop in the motion and a worse surface finish on parts being printed. no worries!

Guanu