These are fast and easy to print. I have included a Mk3S gcode for a single and set of 6. The gcode is optimized to print fast... about 16 minutes.

I recommend scaling Z to 80% for a more flexible ear saver. I have handed out about 300 of these with no complaints. This extended design is preferred by Drs and Nurses otherwise the mask is pulled too tight. Smaller heads can easily cut these shorter with scissors.

Remix from designs by: Lam Wai Mars & Ken Lord

Print instructions

I recommend scaling Z to 80% for more flexibility. I print at 0.3mm layers.