I have designed this visor in moi for 3d printing on my machine. I can get 80 on my print tray, by leaving a small gap in between them so that the printer software fills it with a minimal layer of support. In reality after running this file once I found it more convenient to run 4 or 6 at a time. I have attached my nested file incase anyone would like to use it. If any on wants the visor shield info please ask!
NHS Visors x4.3dm