Mask Strap Adjuster by TCN_ 3d model
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Thingiverse
Mask Strap Adjuster by TCN_

Mask Strap Adjuster by TCN_

by Thingiverse
Last crawled date: 3 years, 4 months ago
Mask strap adjuster for COVID masks. This was designed for thinner (1/8 inch?) elastic straps, but could be scaled/modified for thicker straps pretty easily.
Openings are different sizes so it can tighten easily, but won't come loose too easily. Straps go through the larger end first.

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