Customiser: YATMFG - Yet Another Top Mounted Filament Guide for Prusa i3 Pro B

An L profile beam with two mount tabs and a pair of eyelets to run filament through. Not very exciting, created mostly because the item it has been modelled after (http://www.thingiverse.com/thing:1320277) has little seperation between eyelets, consequently filament obscures the display, but worse, has been published as .stl only, making it hard to customise.
So rather than trying to hack that file, to increase eyelet seperation, I just redid the design. Similarities with (see link above) are