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Amazon.com: Longer LK4 X 3D Printer with 3D Touch Auto-Levelling 95% Pre-Assembled Silent Open Source Motherboard, Dual Blower Kit, PEI Bed Plate, Printing Size 8.7x8.7x9.8 inch for DIY Home School Printing :
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LONGER LK4 3D Printer 90% Pre-Assembled with 2.8" Full Color Touch Screen, Resume Printing, Filament Detector, Built-in Safety Power Supply 220x220x250mm: Amazon.com: Industrial & Scientific
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