Masks4Docs Stacked

These models are for printable mask, for use of medical staff in an attempt to assist in the fight against the coronavirus.

it was posted for the facebook group: https://www.facebook.com/groups/244188523289908/

there are versions with 5,10,15,20 parts stacked. in STL, STEP, PARASOLID.
Use layer height 0.3
Use support

also the single parts in a veraiety of formats.

hope this will be of assistance,
do send feedback!!
Boaz