
Dual filter face mask
thingiverse
I remade a face mask from grabcad by Silviu Stroe so it takes modular filters created by MrDWGraf. Only supports are needed on the bottom of the filter screws. 3 Sizes with internal dimensions top to bottom (nose to jaw): Large equals 121mm, Medium is 112mm, Small is 99mm. Edit: I fixed the inverted thread pattern on the left side.
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