Website: thingiverse
Author: robotail
Price: Free Download
File format: .Stl 3d printable
Description:
This is a sew-on buckle for cloth face masks (or anything for that matter) that allows you to adjust the length of an elastic connection. In particular, the goal was to run elastic over the head and behind the neck, but making it adjustable.Note that you only really need two (one for the top band and one for the bottom