Ear Plugs for headphone tips
thingiverse
Little things that accept headphone tips to use as unofficial ear plugs. Thin enough for me to not notice them when sleeping on my side, and not disappear into my ear canal. Designed around the WF1000-XM4 tips, though others might work. < 1 gram per pair 0.16mm layer height worked for me (0.6mm nozzle)
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