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Amazon.com: eSUN PLA LW PLA 3D Printer Filament, 1.75mm 1KG Spool Lightweight Strong Paint Adhesion Foaming PLA Filament for 3D Printers 3D Printed Airplane, Black : Industrial & Scientific
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Amazon.com: Polymaker LW PLA Filament 1.75mm Bright Yellow, Pre-Foamed PLA 800g Lightweight 3D Filament - PolyLite LW-PLA for Printing RC Plane, 190-210 °C Printing Temp. | High Rigidity | Easy to Paint :
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Reprap development and further adventures in DIY 3D printing: ColorFabb LW- PLA Expanding Foaming Plastic Filament for 3D Printing - Part 1 Testing and experimentation
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