Blog

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

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https://www.creality3d.shop/collections/materials/products/3d-printer-black-color-pla-filament-1-75mm-accuracy-0-05-mm-1kg

or

https://shop.prusa3d.com/en/prusament/711-prusament-pla-prusa-galaxy-black-1kg.html

or

???

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Ambu Oxygen Reservoir Bag – 245000519

3d printer:

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[Promotional Products] Creality3D Ender-3 pro High Precision 3D Printer

or:

https://shop.prusa3d.com/en/3d-printers/180-original-prusa-i3-mk3-kit.html

or

???

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Edit 3/27 – Added:

Toggle switch:

https://www.amazon.com/gp/product/B01KSMNUGA

PEEP Valve:

http://www.shopnebulizer.com//p-45029-carefusion-airlife-adjustable-peep-valves.html