Open-source (NanoHack Remix) N95 with Better Air Flow

**THIS IS NOT A FINAL PRODUCT, YOU SHOULD POST PROCESS AND SEAL THE MASK IN ORDER TO USE PROPERLY.** I have modified this with an easier to print screw ring with nubs for easy grasping and have uploaded 2 versions of the screw ring and insert one is scaled down to 99% so if the full size one is too tight the scaled down version should fit easier. **ABOUT THIS REMIX (Information copied from the original)** This innovation is inspired by the scarcest product these days, the famous and scarce N95 masks. Basically, there is a breakdown in the global stock of this product, and it is a basic necessity, especially for Healthcare personnel who are at the forefront of fighting this disease. In many countries the authorities have also recommended the use of these masks (or similar) on public transport. These masks, despite being effective, also have some problems such as a short lifecycle (about 8 hours), and have another even more serious problem. Respiratory viruses, specifically SARS-