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fil

Symmetric Prusia Z-coupling

by fil Sep 4, 2011
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Nil, you had the same idea I had just as fast as I saw the original design. Why have two parts when one will do. Keeps the torsion balanced better. Good job!

Nil, you had the same idea I had just as fast as I saw the original design. Why have two parts when one will do. Keeps the torsion balanced better. Good job!

This model is wrong. The radius of the smaller curve is 3.5mm, which makes it 7mm diameter, not 5mm. It will not clamp onto a 5mm bar no matter how tight you screw it.

If you don't want to use a tube, just decrease the radius to 2.5. That's what I did.

Nevermind, just realized this is supposed to be used in conjunction with vinyl tubing.

Nevermind, just realized this is supposed to be used with rubber tubing.