Found 3 3D-models for “HandCranked” across many websites

#HandCranked#Centrifuge#supercapacitor#pully#science#manual#cool#handcrank#reduction#3D printing
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PowerPuck Hand-Cranked USB Charging Enclosure (IKEA flashlight hack)

PowerPuck Hand-Cranked USB Charging Enclosure (IKEA flashlight hack)

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Hand-Crank Centrifuge - Science Equipment

Hand-Crank Centrifuge - Science Equipment

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Hand Crank with pully

Hand Crank with pully

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