Guide For Ninjaflex on printrbot simple (1405)

*Update Jan 9, 2015
New filament guide works at faster speeds (tested at 30mm/s) and seems to work alright. I would still recommend 20mm/s, at hotter temperatures than they recommend.

Place filament guide as pictured above, so it is touching (or almost touching) the G2 pulley.

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First attempt at making Printrbot filament guide for Ninjaflex.
Prevents filament from tangling up.... Tolerances need