Montana Mask with 3M 5P71 Filter

thingiverse

This is a custom design based on the Montana Mask (https://www.makethemasks.com/) modified by Rat_Patrol to accommodate 3m 5P71 filters. The original design required supports and resulted in excessive stringing during TPU printing, as well as incompatibility with commercial 3m filter retaining caps that come with 3m respirators. I have revised the design using the original Montana Mask model and a modified filter adapter compatible with standard 3m filter retainers. This updated version does not necessitate supports for printing. To ensure a secure seal, especially when printing with ABS, PETG, or PLA, I recommend applying weatherstripping on the inside of the mask.