I was able to rotate the design and fit two on my Prusa i3 MK3 at one time. Printing with the suggested print settings, I'm able to complete them at a rate of 7.5hrs for a two-item print.
Unable to find suitable, sewable elastic online or in local craft stores, I was able to purchase a box of 7" x 1/8" Non-Latex Rubber bands cheap (Box of ~250 about $5.50).
Working with standard packing tape to reinforce the top edge/screen holes but have purchased self-adhesive hole reinforcing labels which should be cleaner, easier and still provide as-good (or better) reinforcement of the material around the punched holes (Box of 1000 for $8.00).
NOTE on Transparent Sheets: If possible, avoid the printable/coated sheets. The coating has a texture and doesn't respond well to cleaning solvents. The paper strip for feeding into the printer is a hassle. As an added bonus, the "hand writable" sheets (for old school overhead projectors) are cheaper.
I had 10mm x 3mm EVA foam padding strips with one-sided adhesive on-hand from another project and it provides a good padding for the wearer's forehead. Unable to source more of the same dimensions but could get rolls of 10mm x 1mm EVA foam padding that should still provide a stable and comfortable pad. I cut the strips into 5" lengths and adhered them, centered on the forehead band.
Based on other comments on this model, I have included the bottom clip (~28min/clip) as an optional add-on. It definitely provides extra rigidity to the transparency and clips on pretty well, but it still can fall off if brushed hard enough, which could be a serious problem during a medical procedure.
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WMSigEp
Sun, 2020-04-05 14:30
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Lessons-learned -- 4/5/2020