360fill - PLA Filament Making Machine from Waste
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Modular, open-source PLA recycling machine to turn 3D print waste into filament. Affordable, documented, DIY build.
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- Creative Commons — Public Domain
360fill: Open-Source PLA Filament Recycler
360fill is a modular, open-source recycling machine designed to convert PLA waste into usable 3D printer filament. Built using standard 20100 aluminum extrusion and 3D printed components, the system integrates feedstock drying, dual-zone PID-controlled extrusion, water cooling, and a puller module for filament stabilization.
Key features:
- Designed for PLA with documented drying, extrusion, and testing procedures
- Arduino Mega-based control with safety features and PID autotuning
- Achieves tensile strength comparable to virgin PLA in optimal runs
- Full BOM, STL files, wiring diagrams, and firmware included
- Breakeven achieved after ~19kg filament production
This project contributes to the circular economy by enabling decentralized, small-scale filament production. Developed as part of an engineering final year project, and released under CC BY-SA to encourage replication, improvement, and community use.