3D-printed double helical gear pump/water pump/hydraulic pump *watertight*
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World's First FULLY 3D PRINTED Bi-Wing Lobe Pump
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3D printed high torque harmonic drive - strain wave gearbox
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Making a Mini Hydraulic Pump
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DIY RC Mini External Gear Pump - RC Mini Hidrolik Dişli Pompa Yapımı
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Lift Heavy Objects Using SCIENCE & 3D Printed GEARS!
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3D printed high torque servo/gearbox version 2
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3D Printed Screw Pump - 3 Different Way
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