Cloneout & Hammer 2.0 Mini H Quad Arm with Wiring Channels for 20 AWG

Testing a new arm design for EflyerSteve's mix of the Cloneout Mini H Quad arm from
http://www.thingiverse.com/thing:347202
v2 : Updated with uniform channel spacing

Works with Hammer 2.0 Mini Quad as well.