Wanhao i3 Maker Select filament guide

This filament guide has a rotating head and fits over, or in place of, the filament roll holder of the Wanhao i3 Maker Select.

Version 2 is the same as the first only with a shorter arm.

This is a remix of the best parts of two different filaments guides.
The head is from http://www.thingiverse.com/thing:2029321
The arm is from http://www.thingiverse.com/thing:1280498