Website: thingiverse
Author: sooooorum
Price: Free Download
File format: .Stl 3d printable
Description:
Most face masks or surgical masks rope can cause earache.Mask rope buckle make you feel better.Adjustable, Anti slipping, ReusableFor adults versionlength: 18cm, width: 1cm, thickness: 1.5mmFor kids versionlength: 15cm, width: 1cm, thickness: 1.5mmI think most round shape mask ropes are work.5mm flat rope is work.8mm flat