1.0 link Rainbow Dash Network http://rainbowdash.net/ adiwan (adiwan) http://rainbowdash.net/adiwan http://rainbowdash.net/notice/5472360 I have one not well-working stepper motor (it doesn't have the power of its prime) and I'm thinking of building a polishing machine, more exactly <a href="https://www.thingiverse.com/thing:3666116" title="https://www.thingiverse.com/thing:3666116" rel="nofollow external">https://www.thingiverse.com/thing:3666116</a> or even more exactly this remix <a href="https://www.thingiverse.com/thing:4230298" title="https://www.thingiverse.com/thing:4230298" rel="nofollow external">https://www.thingiverse.com/thing:4230298</a> due to the different glass size.