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Amazon.com: PLA-LW Filament 1.75mm, 3D Printing Filament, Lightweight, Low-Density PLA, Special for Airplane Model, 1kg Spool : Industrial & Scientific
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Lightweight Foamed PLA-fp 3D Printer Filament (0.54 G/cm³), Special Material for Aircraft Models, 1.75 mm +/-0.02 mm, 1 kg Spool (2.2 Lbs), Matte Finish, Black : Amazon.de: Business, Industry & Science
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