Covid 19 Mask with Exhale Valve 3D print model
3D PRINTING SETTINGS No support No Horizontal Expansion (set it to 0 zero) for all parts Print 0.5 line width for all parts Fill between walls : nowhere PRINT THE EXHALE HOLE SEAL WITH TPU/FLEX FILAMENT 15 mm/s speed no retraction, no cooling Print exhale hole ring and the seal...
