Montana Mask for Straps
thingiverse
I didn't design the original mask, but I did adapt it for use with up to 1/2 inch straps instead of string. It was originally created by Dusty Richardson, Spencer E. Zaugg, and Colton Zaug. The Montana Mask at this moment is not FDA or NIOSH certified and has pending patents in place. For more details on its usage please visit: https://www.makethemasks.com/3d-printing
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