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Make the Masks

The Montana Mask is a highly effective filtration mask.

It’s 3D printable and the design files are free for public use.

The Montana Mask

It can be sanitized and reused. Although not approved by the FDA or NIOSH, the mask has been rigorously tested. The level of protection is customizable, depending on which material you use for the filter.

3D Printing Files

*Please note: These designs have provisional patents in place, and are intended for this goodwill campaign during the course of COVID-19. If you would like to manufacture these for a profit, please contact us at for a license agreement and price cap information.

Colton Zaugg, Spencer Zaugg, Dusty Richardson

Meet the Inventors


Dusty Richardson, MD

Dusty Richardson is a neurosurgeon at Billings Clinic in Billings, MT. He graduated from the University of Wyoming with a BS in Zoology/Physiology and Spanish. He completed his medical training, including medical school, neurological surgery residency, and a fellowship in complex spine surgery, at the University of Colorado.

Dusty loves his work as a neurosurgeon and considers it a privilege to serve his patients and the community. When he’s not at the hospital, Dusty enjoys wood and metal working, inventing, volunteering with his church, and spending time with his wife, their five children, and his dog Finn.


Spencer E. Zaugg, DMD

Dr. Zaugg received his surgical technology certificate from Salt Lake Community College and worked at the University of Utah Hospital assisting in surgical procedures. It was during this time that he developed a passion for research and received his bachelor degrees in chemistry and microbiology from Weber State University. He received his doctorate in dental medicine at Southern Illinois University and then completed a 1 year full-time fellowship in implant dentistry.

Dr. Zaugg is currently a general dentist with a practice in Billings, MT. He enjoys designing and fabricating “projects” with CAD-CAM technology including 3D printing.


Colton Zaugg

Colton was born in Utah and raised in Montana. He spent two years in Guatemala serving the people there from 2013-2015. Colton graduated from Brigham Young University with a bachelor degree in microbiology. He has a passion for designing, building and experimenting.

Dusty Richardson, MD explains the three parts of the Montana Mask.

A message from Dusty Richardson, MD regarding mask filter material.

LEGAL DISCLAIMER: The 3D printed mask information presented here is intended to assist the general public during the current global pandemic related to COVID-19 and the related nationwide shortage of personal protective equipment. Please be aware that this mask design is not intended to replace standard protective equipment such as N-95 masks or surgical masks when that equipment is available. The use of these 3D printed masks has not been fully tested and has not been approved by federal or state authorities. Billings Clinic, Marlin D. Richardson, M.D., Spencer Zaugg, DDS, Colton Zaugg or anyone associated with, assume no liability and make no representations, warranties, or guarantees regarding the safety, efficacy, or appropriate use of these masks in any particular situation. Each facility should test each batch of masks prior to relying on them for protection. Use of this information for any purpose is at the maker’s and user’s own risk.

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