TreeD's newest 3D printing filament PNEUMATIQUE is made from recycled rubber tires - 3D ADEPT MEDIA
3D printer PLA filament - FIBERFLEX 30D - Fiberlogy - 1,75 mm / pink / flexible
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Amazon.com: OPYTR 3D Printer Filament Elastic Flexible TPU 3D Printer Filament 1. 75mm Rubber Material Roll Flex 500g 250g Red Black Blue Filament for 3D Printing Silk Shiny (Color : 15A Yellow