012 Surgical Mask Ear Strap 

3D Printed surgical mask strap guard
Designed by: Quinn Callander
Date: March 2020
Credit: Thingiverse


12-year old Quinn Callander⁠ has produced 13,240 straps which can be attached to the straps of face masks to adjust to the face of individual users. 10038 of the straps have been distributed to health care providers via a volunteer group in the Vancouver BC area called YVRMERS.