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1.
Polyformer: An open-source machine, recycling bottles into 3D printing filament (dezeen.com)
7 points by sjostrom7 on May 26, 2022 | past | 1 comment
2.
Hemp rebar could offer low-cost non-corroding alternative to steel (dezeen.com)
2 points by sjostrom7 on March 15, 2022 | past

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