100% 3D Printed COVID MASK

thingiverse

100% 3D printed mask. You can print everything except the filter. The mask has a replaceable filter that can be changed. No bolts or screws required. You need to seal the TPU mouth and nose part to the top mask part. You can do this with glue, epoxy, 3m bed tape, RTV, etc.. Needs no supports. The mouth and nose part needs to be printed in TPU at 0%. The other parts need to be printed in rigid material like PLA, ABS, PETG, etc. If you need to resize, use the 90% small size mask. STEP file included if you need to or want to modify. TPU for the strap, but you can also use shoe string. -Brett UPDATES: TPU MOUTH AND NOSE 4.21.20