I made a few 3d printable masks for the fun of it, you can try em out from here, they are 100% free:
https://www.myminifactory.com/object/3d-print-happy-face-mask-version-1-0-118071
https://www.myminifactory.com/object/3d-print-samurai-inspired-mask-119393
https://www.myminifactory.com/object/3d-print-ninja-mask-mk-inspired-120178
https://www.myminifactory.com/object/3d-print-samurai-mask-model-2-129859
