Shapeoko 3 build mod

Improved pencil + marker holder for "Hello World" test made with packing material and an old inner tube.
The inner tube holds the kludge onto the side of the router/spindle motor.
Pencil or marker . . . you choose :)
20170530-CNC test PencilHolder737A0990 20170530-CNC test PencilHolder737A0995 20170530-CNC test PencilHolder737A0997 20170530-CNC Tests XaxisSwitchInstall976