How my 3d-printed puppet eyelids (old version) work explained
My old 3d-printable puppet eyelids did not have a hole for the bicycle brake cables in the right place for movable eyes - here's a closeup of how the eyelids open and close inside a 3d-printed puppet head. If you want to make movable puppet eyelids I recommend using the newer version that does not have to be modified.
You can get my STL-Files on Thingiverse: https://www.thingiverse.com/thing:428...