Sample maker PPE (clockwise from top left to bottom left): (a) Sewn Olson Cloth Mask, (b) Ear-saver mask accessory (c) 3D printed headband and (d) 2D printed headband fro face shields with plastic sheets (e) Nasal swab holders for COVID-19 testing (f) personal air purification respirator (PAPR) – the 3D printed head combines with a high pressure body protection suit (g) stopgap surgical respirator with a filter, not an N95 replacement (h) disposable surgical gowns made of plastic sheets. All designs for PPE except (a) were collected from the NIH 3D print exchange