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Amazon.com: 32 Colors Beautiful 3D Printing PLA Filament Sample Refill Pack, Each Color 10ft, Total 320ft PLA Refills, Fit for Most 1.75mm 3D Printer & 3D Pen, with Extra 4 Silicone Finger
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Amazon.com: 3D Pen Filament Refills - 1.75mm ABS Printer Refill Pack - 240 Linear Feet in 20 Foot Lengths Per Color - 80 Stencil E-Book & Bonus Glow in The Dark Color
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