Design: AB Mask

AB Mask – Designed For a Nurse By a Nurse.

Version 1.0 has pattern & diagram https://www.instructables.com/id/AB-Mask-for-a-Nurse-by-a-Nurse/

Version 2.0 has video showing how to include a nose wire and a filter pocket. https://www.instructables.com/id/AB-Mask-20-for-a-Nurse-by-a-Nurse/