The Wade Extruder Reloaded

This derivative of Greg's Wade Extruder collects all the best ideas and latest features and improvements all STL files and info can be found online @ http://www.thingiverse.com/thing:18379 * Greg's excellent "Guidler" for perfectly lined up filament feed AND easy access of the hobbed bolt * Tiltable idler-screws for opening the idler without removing the screws entirely * 4mm elevation of whole extruder body/bolt/motor mount to allow slightly bigger 9/47 herringbone gears * 2mm extra bolt-motor-distance for the same reason * M4 nuts and screws for idler, since M3 screws in more than 60mm length are sometimes hard to source (at least in the common hardware stores of northern germany..) * Well, 9/47 herringbone gears! * All nut-traps have been corrected for correct fit (all prusa parts seem to use slightly wrong sizes.. should be 5.5mm wrench size for M3 nuts, I changed all of them to the right ISO values with additional 0.2mm clearance. Fits great for a precisely calibrated