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Free STL file "PullStruder" : how to make 3D printer filament from recycled plastic bottles・Template to download and 3D print・Cults
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Shred-Buddy 3D Recycler Turns Your Old Filament, Bottles, and Even Fishing Line into Brand New 3D Printing Material - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
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