Howdy all, This 3d printable band can easily interface with common 8.5" x 11" clear plastic transparency paper or the equivalent. You can assemble it with common household items. THIS FACESHIELD IS NOT APPROVED FOR MEDICAL USE IN A MEDICAL SETTING!!! However, this shield is excellent for every day protection and is lightweight, simple and cheap to produce, and easy to use. Please print at an according scale for your headsize: 100% = small 110% = medium 120% = large 500% = Elephant Please see the included step1, step2, step3, etc... files for instructions and print settings. - Derek Roemer