How to Reuse PLA from Failed Prints with a 3D Printer
Failed prints can accumulate when experimenting with 3D printing. Instead of discarding these plastic filaments, you can recycle them using a 3D printing machine. Here's how:
- Collect failed prints: Gather PLA prints that are unsuitable for use, such as those with imperfections or errors.
- Shred the prints: Break down the prints into smaller pieces using a shredder or manually with pliers. This increases their surface area for melting.
- Melt the shredded PLA: Place the shredded prints in an oven or on a heated build plate at the melting point of PLA (approximately 170-200°C).
- Stir and extrude: Once the PLA melts, stir it to ensure even heating. Then, guide the molten plastic through a heated nozzle to extrude it into a filament.
- Spool the filament: Wind the extruded PLA filament onto a spool for future use in 3D printing.
Reusing PLA benefits:
- Reduces plastic waste
- Saves money on filament purchases
- Allows for experimentation with recycled materials
- Promotes sustainability in 3D printing
FAQs:
- Can I reuse ABS filament? No, ABS requires a different recycling process.
- How do I avoid clogs when melting PLA? Shredding the prints and stirring the molten plastic helps prevent clogging.
- Is recycled PLA as strong as new filament? The strength of recycled PLA may be slightly reduced but is still suitable for many applications.
- Can I use recycled PLA in all 3D printers? Yes, as long as the printer is compatible with PLA filaments.
- What is the best way to store recycled PLA? Store it in a dry and cool place to prevent moisture absorption.
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