I've created my version of ear saver which turned out quite fast-printable, it's under 5 mins with a 0.8 mm nozz! I've used PLA. Please print and help your local community and health care with these. Thank you!
Update: A faster and less material consumption version:
https://www.thingiverse.com/thing:4325992
Ear_saver_DSZ_V12.stl | 10.8MB |