https://www.coresponse.rwth-aachen.de/go/id/gqged/?lidx=1 https://coresponse.github.io/blog/instruction/concept/2020/03/25/concept_crank_II_v0.html Backup ventilator – how to make one with a bag valve mask, a motor, and a 3D printer. PLA filament looks like it will work. PETG filament not required. Shopping list: https://www.mcmaster.com/90592a095 https://www.mcmaster.com/91290a115 https://www.mcmaster.com/90006a119 https://www.mcmaster.com/90006a113 https://www.amazon.com/gp/product/B000A0OW2M https://www.amazon.com/gp/product/B00XNBRA6K https://www.amazon.com/gp/product/B072JNK72R https://www.amazon.com/gp/product/B07X5SLTJ9 https://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&productId=127976 https://americas.rsdelivers.com/product/copal-electronics/hg37-300-aa-00/copal-electronics-12-v-dc-588-mnm-dc-geared-motor/9211460 https://www.amazon.com/gp/product/B07FR2L33J —- or https://shop.prusa3d.com/en/prusament/711-prusament-pla-prusa-galaxy-black-1kg.html or ??? —- 3d printer: —- or: https://shop.prusa3d.com/en/3d-printers/180-original-prusa-i3-mk3-kit.html …
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