Gas Mask Filter V2
thingiverse
**3D printable gas mask filter designed for 40mm NATO threads!** -Designed to accept any filter medium available up to 1" (25.4mm) thick. -Requires one 2.5" (63.5mm) long, 1/4x20 (M6x1) hex head bolt, stainless steel recommended. -9.425² inches of breathable surface area. -.STP files included for my fellow creatives out there. -Modeled in English, scale up by 2540% if .stl appears tiny in slicer. V2 upgraded features: -130.5% increase in breathable surface area for maximum airflow through filter and easier breathability. -No supports needed for printing (45° overhang max) -Printable nut designed for ease of assembly and will protect the filter from punctures -can now accept filters up to 1" thick Original version: https://www.thingiverse.com/thing:3711379 Warning! This is not an OSHA approved respirator design, please exercise caution. I am not liable for how you choose to use this model.
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