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Make a 3 degree of freedom 'hand' to help with soldering / gluing work

Step 3Make the balls of the ball joint

make the balls of the ball joint
get your two screws, make a ball of ZapGel -OR- ShapeLock around the head. (ShapeLock might be better, I used ZapGel).

I also glued to tops from capped nuts (hack sawed off) onto the top to make a smoother metal half. This is not really necessary.

If you have ball bearing of appropriate size lying around, just ZapGel them to the tops of the screws instead.
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1 comment
Oct 22, 2007. 7:04 AMHandsome-Ryan says:
The heads of acorn nuts will break off if you keep tightening a screw into them. I learned this by accident and had to go buy a new nut for the project I was building but it would be perfect for intentionally removing the dome part as you are doing.

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