Folding earsaver over head

Printable from PETG/TPU. Folding is variable according to size of the head. Headband connect two bases in between, then hooks should be attached. Please be carefull, hooks can be attached only one right way when do not collide with pins on the base. At the end bridge should be attached on the other end of the base than headband. 

Respirator or mask need to be attached via hooks and bands should be placed above ears.