Found 2 3D-models for “repromask” across many websites

#photomask#35mm Film#photocopier#4x5 inch#mask#35mm transparency#filter#ventilator#black white#covid 19
ThingiverseThingiverse
35 mm and 4"x5"negative copier mask

35 mm and 4"x5"negative copier mask

ThingiverseThingiverse
PAPR adapter: hose to 40mm threaded insert for mask filter

PAPR adapter: hose to 40mm threaded insert for mask filter

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