you can find it here : http://www.thingiverse.com/thing:1425715
GUI13 10 mW Joined Mar 18, 2009 Messages 29 Location france, dans le sud con ! Mar 18, 2016 #1 you can find it here : http://www.thingiverse.com/thing:1425715
teklektik 100 MW Joined Mar 26, 2011 Messages 4,019 Location CT, USA Mar 18, 2016 #2 Say - where did you get that (+,-) button thingie?