Re-using waste plastic
<aside> 💡 Concept: Turn local plastic waste into pellets, which can be extruded into filament with inexpensive equipment, and then use that filament to 3D print plastic products, using open source (free) product designs.
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Article on how it's done How to turn plastic waste in your recycle bin into profit
Video of homemade filament extruder
https://www.youtube.com/watch?v=p_E7crY9wfg
such as fixing your own iPhone