Face Mask (Montana)

thingiverse

Here is a slightly enhanced version of the mask that worked really well for me and the original design can be found here: https://longliveyoursmile.com/3d-printable-mask-for-covid-19/ This mask works extremely well if you add a SOFT rubber seal (or foam) around as shown in the picture. Super glue the weather seal in, do not trust self-adhesive side. The mask+weather seal will create an almost perfect airtight seal around most faces. In some rare situations, you can heat the mask with a hairdryer and slightly bend it into the right shape. Improvements made: 1. Added additional mount option for use with wide elastic bands. 2. Included optional adjustable buckles for use with wide and medium width bands 3. Slightly expanded holes for mounting straps and elastic bands 4. Chamfered edge on the front opening of the mask to remove a sharp edge, this prevents any chance of injury when pushing out the filter for replacement. 5. Additional hole adapters for larger straps allow you to be more creative with other materials of your choosing. Print with no support (face down), 7% infill or more, the weight of the mask will be near 31gr. Print time about 3.5 to 4 hours depending on your printing speed. You can scale the mask to smaller sizes by reducing it by 5% for a medium size and 10% for small. Hole adapters must be printed at 100% infill. You will need four per each mask. Boil water then while holding by the hole itself, insert two-thirds of the way into hot water to soften the tip, then insert into mask hole and bend the end. I want to give credit to the wonderful work these guys did. Special thanks to Dusty Richardson, Colton Zaugg, Spencer Zaugg, as well as Billings Clinic and High Tech Filters, for the ideas, designs, and implementation. Thank you for designing it and sharing it with everybody. This is probably my last upload to Thingiverse, it went downhill with the redesign of their website. The performance has not improved either. I am moving to another community.