This is a hybridization of prior design versions, combining several of the best features into one design. This is compatible with a 3 hole punch system, offers maximal protection, sits off the face to allow for glasses and masks, requires low amounts of filament, is comfortable to wear, and would not require ties for many/most individuals.

Features summarized:

• Does not require strap in many/most individuals as natural spring in curve of plastic
• Compatible with three hole punch for fabrication of clear shield from standard letter size transparent material
• Solid top
• Low filament usage
• Can be printed quickly
• Adequate space behind shield for glasses, masks