Repo for all pandemic related design work
Originally forked from the Scale Workspace repo for face shield design around V2.1. Files have been reuploaded here for clarity as there were revisions that did not make sense in the original pull request.
The intention of this shield is for every component to be autoclavable and reusable. The typical die cut PC shields, although by material definition can withstand autoclave temperatures, are susceptible to damage during assembly, wear, and disassembly. By reducing the number of folds in the fragile clear sheet, the design is not as prone to tearing during these steps. Testing thinner than 0.020" thickness PC in an autoclave resulted in deformtion from the first cycle pointing to long term cyclical failure.
-Polypropylene (PP) Visor (suggest natural or Black) -Polycarbonate (PC) Shield -VMQ (silicone) Edging -037 VMQ (silicone) O-ring, alt: hair tie, synthetic rubber band
Originally designed to be laser cut on a 90W CO2 Laser Cutter from Black Cat Labs, the Polypropylene consistently left large melt pools that were considered unacceptable by the end user. The rev2 designed has been optimized and nested for a CNC router using a 1/8" O Flute End Mill.