Tiny Flex Extruder
thingiverse
This is a straightforward Direct-Drive Extruder optimized for 1.75mm Filament, specifically designed for use with Flexible Filaments and ensuring effortless Filament replacement. For a Bowden version of this design, refer to http://www.thingiverse.com/thing:636178; for a more compact NEMA14 version, visit http://www.thingiverse.com/thing:643582 Other crucial components include the Merlin Hotend available at http://reprap.org/wiki/Merlin_Hotend and the 8mm OD by 13mm long Drive Gear from http://reprapteile.de/mechanisch/direct-drive-geraendelter-pulley-drive-gear.html Additionally, a Nema 17 Motor is required, as well as a 624 Bearing, 2 M3x12 screws, 1 M3x25 screw, 1 M4x10 screw, and 1 Spring with an outer diameter of 7mm and length of 30mm A 40x40mm Fan with sleeve bearing recommended completes this setup The latest update to this design made on March 6, 2015, enhanced the fan mount holes to allow for longer screws to provide increased stability.
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