NATO 40mm filter to Secura mask adapter

This adapter allow You to put NATO filters on Secura dust mask.

I made this adapter in response to request.
IT'S NOT TESTED!
It will be hell to print with all this overhangs.
I recomend printing it upside-down, on raft and with supports.
Highly recomendet 100% ifill.
If You plan to use it to work with aceton DO NOT print it with ABS!
If You plan to use it to work with chloroform or methylene chloride DO NOT print it with PLA!

Nato_Secura.stl is basic version.
NATO 40mm to Secura ov