SIN-A pro Face Protector

The model is wide open for 3D printing . But be sure to make necessary changes e.g. the blue colored portion is for making the mask air tight ensuring critical safety from harmful viruses accompanied by the "Respiratory filter" to filter all the germs from air. One must has to change that blue portions width according to his face to make the mask fully air tight.It is expected to make with rubber(gasket) type material like Silicon rubber/Neoprene Sponge for best performance.