Montana mask filter - pig snout
thingiverse
This is an alternative filterframe for the montana mask https://www.thingiverse.com/thing:4239236 to lighten up the day in these harse covid times. when inserted into the mask the mask will represent a funny pig snout, so patients can have a laugh each time someone with this mask walks in. Humor keeps people motivated, also in harsh times. Unlike the original frame this one has to be pushed from the outward side of the mask inwards. Filter material can be applied in exactly the same way as with the original filter frame. Feel free to modify it to your needs. No commercial use please.
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