Aggie engineers’ step-by-step guide for making medical masks Posted in: News The final version of the N95 Mask Alternative prototype in use is shown here in an image taken from the downloadable PDF guide to make the masks available at enmed.tamu.edu/DIYmasks/. COLLEGE STATION — With a touch of inspiration from MacGyver, Aggies have developed a way to make medical protective gear ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!