The file 'Polygon Mask – Voronoi Style 3D Printer Model' is (stl) file type, size is 2.3MB.
Polygon Mask - Voronoi Style
The mask is double walled. If you like a single walled version, check out thing 191652.
http://www.thingiverse.com/thing:191652
Or check out this mask, it should be easier to print:
http://www.thingiverse.com/thing:293246
(also single walled)
Polygon_Mask_-_Voronoi.stl | 5.0MB |