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This open-source multi-color 3D printing add-on can be built for less than $20 - 3D Printing Industry
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Infotech launches multi-material desktop system capable of 3D printing triple-resin parts - 3D Printing Industry
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HE3D Tricolor DIY 3D Printer Kits 200X280X200,3 in 1 Out Printing, Three extruder Two Rolls of Filament for Gift: Amazon.com: Industrial & Scientific
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Technologies | Free Full-Text | Open Source Multi-Head 3D Printer for Polymer-Metal Composite Component Manufacturing
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New Multi-Material Upgrade Released For Prusa i3 MK2 3D Printer - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
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Amazon.com: 3D Printer 3 in 1 Out Multi-Color Extruder Three Colors Switching Hotend Compatible with Titan Extruder and Bulldog Bowden Extruder 1.75mm : Industrial & Scientific
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