POWERWASP simple extruder upgrade
thingiverse
This pressure plate features a spring for consistent filament feed regardless of thickness. Watch it in action during fast retractions at http://youtu.be/HMMkCDL2KWM. Detailed instructions are available on my blog: http://mcmos.wordpress.com/2012/12/12/power-wasp-extruder-upgrade/. You'll need a 11mm diameter spring, an M5 bolt longer than 7cm, and two printable caps. Cut the head of the bolt to create a 6cm long thread, cut a 3.5cm long piece from the spring, print the caps, replace the original retainer with your new, longer screw, and thread the lower cap, spring, and upper cap. Finally, reattach the original retainer and enjoy the improved performance.
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