Website: thingiverse
Author: 1sPiRe
Price: Free Download
File format: .Stl 3d printable
Description:
///Easy and fast to print surgical mask “spacer” that allowes you to breath and talk more easily.Four different sizes, refer to the size chart picture.Each model is also adjustable to add or reduce the clearance between the mask and the mouth.This is for comfort only, designed for people who have to wear a mask all day