Customizable Bowden Extruder | Mount for ANET A8 & Others

** *UPDATE March 28th: Added option for stronger V2 idler (with toggleable handle and additional fixation screw) in CUSTOMIZER* ** This is a remix of [schlotzz](http://www.thingiverse.com/schlotzz)'s [compact direct drive bowden extruder](http://www.thingiverse.com/thing:275593). All credit goes to [schlotzz](http://www.thingiverse.com/schlotzz) for the awesome bavarian engineering on this thing! The design is highly customizable and works with MK7 or MK8 (and more) hobbed pulleys and features several mounting options! Some parametrization samples can be seen in picture 2. This remix includes **several improvements and adaptations**: * CUSTOMIZER optimized (just open the customizer and generate a bowden extruder fitting your specific components!) * Different mount options available (Just a simple selection in the CUSTOMIZER toggles between no mount adapter, ANET A8 mount and parametrizable mounting bracket) * Option to add handle for manual tension release * Easily adju