BEFORE DOWNLOADING >>> Please read the full license. This is a free model, and you can share it and adapt it. But you must give appropiate credit and may not use it for commercial purposes (absolutely no exceptions). Finally, if you remix/modify it, you must distribute your contributions under the same license as the original.
BEFORE PRINTING >>> We recommend to do a fine calibration of your printer before starting printing the mask and its parts. Check your horizontal expansion to ensure your pieces will fit properly (tutorial): https://www.thingiverse.com/thing:1662342
[UPDATE 2020/04/04] As requested we have uploaded two versions of each mask body size (S, M, L). Now you can print the thin wall version (only 0.8mm, faster) or the wide wall version (1.2mm, easier). For example: if you want to print the child version with wide walls you should print the file "Mask_body_S_wide.stl".
[UPDATE 2020/04/02] We have uploaded a new version of the mask (v2). The printing time of the mask has been decreased from 3 hours…