A syringe extruder without any extra hardware. No extra motors, no extra anyhing from the hardware store! oh, yes, you need a washer or what i use now: a hose coupling and of course, you need syringes...
[sorry these are not the best pictures...]
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extruder_syringe.skp | 151.2KB | |
extruder_syringe4_10ml.stl | 97.1KB | |
extruder_syringe4_20ml.stl | 124.7KB | |
extruder_syringe_plunge_fixed.stl | 67.0KB |