#11 - Tiny Flex Extruder

This is a very simple Direct-Drive Extruder for 1.75mm Filament optimized for Flexible Filaments and easy Filament change. Other required parts: Merlin Hotend: http://reprap.org/wiki/Merlin_Hotend Drive Gear 8mm OD 13mm length: http://reprapteile.de/mechanisch/direct-drive-geraendelter-pulley-drive-gear.html Nema 17 Motor 624 Bearing 2x M3x12 1x M3x25 1x M4x10 1x Spring 7mm OD 30mm length 40x40mm Fan (sleeve bearing recommended) Screws for the fan Printed Parts can be found on thingiverse: http://www.thingiverse.com/thing:615465/#files