COVID-19 mask

thingiverse

We print these masks a lot nowadays at vBionic for medical professionals. We remixed the model to reduce print time and adjust it for various nozzle sizes, ensuring that it's also reinforced where it tends to get damaged most easily. Using PLA allows us to heat the mask with a hair dryer, making it slightly flexible and enabling even better fitting to users' faces. However, be cautious - the mask will be hot! If you're feeling brave, place a kitchen towel on your face and push the mask for optimal accuracy. We've tested this method, but it can be a bit unnerving. It's also possible to achieve similar results with PET-G, although a higher temperature is required. Print time comes in at 2 hours with a 0.6 nozzle and 0.4 layer height. You may want to experiment with 1.1 extrusion (110%) - the surface might not be ideal, but the layers will bond even better. Make sure to choose the correct PART_A file based on your nozzle size. Aniosyme DD1 has been tested for disinfection, and no visible shape changes were observed after an hour-long bath. Any type of filter is suitable; we've successfully used surgery masks, and breathing is perfectly fine. You can create 6-8 filters from one surgery mask, making it more efficient and allowing for frequent changes. Look for polypropylen fabric with a weight of at least 60g/m2 - it's commonly used as cosmetic towels or physiotherapy towels. For more information on mask usage in COVID-19, visit https://www.maskssavelives.org.