Breathable skin anti-fog nose clip 3D Model almost 2 years 17 Ear Savers For Surgical Masks -- (Read Instructions In Provided Text Document) 3D Model almost 2 years 17 Surgical Mask Strap with Ear Savers (flexible and does not slip) 3D Model almost 2 years 4 Surgical Mask Tension Release Band - UCLA Variant 3D Model almost 2 years 3 8 Stack of ear guards for surgical masks (.3mm layer height 3D Model almost 2 years 3 Surgical mask strap "ear guard" (less filament, quicker print) 3D Model almost 2 years 4 Mask Ear Saver 3D Model almost 2 years 4 Basic Quick Printing Strap Adjustment 3D Model almost 2 years 4 Parametric Surgical Mask Retainer 3D Model almost 2 years 4 Nanohack mod (two filters + improvements) 3D Model almost 2 years 15 Surgical Mask Reusable 3D Model almost 2 years 5