Omamori (Wearable HEPA) Version 4

Wearable Air Cleaning Device
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updated May 19, 2024

Description

PDF

This is a model to allow people to make their wearable HEPA that blows filtered air to their faces, in situations when wearing a respirator is impossible. It's not meant to be a substitute to respirators, but an added safety to the wearer, whether or not a respirator is worn.

This version is the most reliable, in terms of durability and safety. However, if I could find a lightweight power source, this model will be much more compact in both size and weight, which will make the version 5 (the next one) more suitable for kids.

I include both Bambu Labs and Blender files in the archive file.

Additional parts:

  1. Centrifugal fan:
    https://www.amazon.ca/dp/B07TTB2T71?psc=1&ref=ppx_yo2ov_dt_b_product_details
  2. Battery:
    https://www.amazon.ca/gp/product/B0C49J3X5H/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
  3. M3 screw (40mm):
    https://www.amazon.ca/gp/product/B0BW881KKR/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
  4. M3 nut:
    https://www.amazon.ca/gp/product/B07MD7SPBJ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

Model origin

The author marked this model as their own original creation.

License