Is this 3D model free to download?

Yes, Simply Flexible Mask Valvy is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by iczfirz, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Simply Flexible Mask Valvy 3D printable model by iczfirz

Simply Flexible Mask Valvy

Source: Thingiverse by iczfirz

The Simply Flexible Mask Valvy is a free printable 3D model from Thingiverse by iczfirz. Yet another easy printable and usable mask. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,716 saves Source: Thingiverse Updated 2026-10-10 Filament: 23 g License: CC-BY · commercial OK 2 makes Category: Tools & Workshop

Tags: 3d, air pollution, breath, breather, breathing, coronavirus, covid-19, customizable, customized, FaceCoveringChallenge, face mask, gas mask, Health, healthy, hepa

About this model

Yet another easy printable and usable mask. (Updated 03-26-2020. Add readme.txt and zipper edition) ===================================================== (---- Notice ----) Why will I not design this mask for printing in PLA or PETG?! I get quite a few requests to convert this design for printing in PLA or PETG. Sorry, but I am not going to do that, and this is why: In my experience, PLA and PETG are TOO DANGEROUS to put on your face. If a PLA or PETG mask cracks, especially when printed as a light weight/thin wall, it will cut your face like a knife. It may not be happen on the first day, but it will happen one day, maybe while you are talking, and it will be sudden. Thin walled PLA and PETG will fatigue much faster than TPU, being washed, dragged and pulled in daily use. Maybe something …

Frequently asked questions

Is this 3D model free to download?: Yes. Simply Flexible Mask Valvy is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by iczfirz.
Who made this model?: Designed by iczfirz, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.