Filament Guide for Ender-2

DON'T USE THAT VERSION ANYMORE!
HERE IS V2: https://www.myminifactory.com/de/object/3d-print-143116
(Sorry thingiverse, but your software sucks, it is only producing errors since a long time. I really like Thingiverse, but usability is getting worse)

TEXT for OLD VERSION:
A very simple filament guide for the Ender-2. It prevents the filament touching the (hopefully well-greased) z-axis spindle by keeping it away less than 1mm without bending or causing additonal friction to the filament. It also helps the filament getting more straight into the extruder, thus reducing the strain on the inlet-hole.
-no more no less :-)-

Can be installed together with the stock spindle guide bushing using the stock screws.

I found other solutions here on thingiverse, but many of them are overkill in my opinion or complicate the filament change unnecessarily...

Update 29/01/18: after installing that little piece of plastic its also possible to mount the spool holder to the front side of t