3D printed Mask with Exchangeable filter case(Update 2020-April-06)

thingiverse

3D printed mask can use Designed filter case and 3M 6000series filter. ##Update 2020-April-06, Some people says the Filter.stl has problem, now I have edit little bit and upload new file Mask-PLA-Filter-2020-April-06.stl, and separate stl pieces for the Filter set. ##Update 2020-Feb-13, Add 2 more hole on top close to nose location, 2 versions, with and without logo## ##Update 2020-Feb-11, Modified One face piece file and PLA adaptor for both Design-filter-case and 3M 6000 series filter## ###Update 2020-FEB-10, Another set of files can fits 3M 6000series filter### ###Exchangeable filter with standard Surgery mask.### ###Improved Nose position more fits and air seal!!### ###Please consider to use if you thinks its good### Parts u need is M3x8mm countersink screw x 3pcs 2.5mm or 3mm Black rubber string ( approx 600 ~ 700mm ) 0.2mm thickness silicone sheet cut it DIA 22mm for the breath valve, ##If u dont have silicone sheet you can just use thin plastic bag to cut this valve!!## 3M Foam tape, grey colour very soft one. https://www.youtube.com/watch?v=fJNDgYunA4k&feature=youtu.be