Quick mask buckle or clasp

thingiverse

Adjustable clasp designed to work with elastic or no elastic facemask straps that go around the ears or around the head. This first version has a thin base to reduce plastic usage and allow for faster print times. Designed with 2 posts along the first strap slot to prevent strap slippage no matter the material. To use, slip knob into the oval hole with pieces at a 90-degree angle then rotate so two clips are parallel, reverse to remove.