Montana Mask - 3 Sizes

thingiverse

This modification of the original Montana Mask [ https://www.makethemasks.com/about-the-mask ] enhances the seal around the nose for improved performance. The difference in size between each version is a quarter inch. Three sizes are available: Large, Medium, and Small. The Large mask remains unchanged from its original design. Adjustments have been made only to the nasal area of the Medium and Small masks, ensuring that the cheek, chin, and flange hole dimensions remain consistent.