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mpapp

Ball Stylus Rev 4

by mpapp Feb 5, 2016
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The stylus is printed with Protopasta brand conductive PLA. This type of PLA filament works with touch screens. I added an fresh (unused) piece of Scotch-Brit sponge to the very end, which I have found with experimentation to be conductive, to not scratch the screen.
If you don't have any conductive PLA you could wrap a thin piece of wire around the ball and run it down to the end.

what is inside it to make it work?