Greyprints for fabbing a sixth (seventh, eighth, ...) finger to make pictures of you seem AI generated or manipulated.
There is an insert that can be used for people with small fingers, otherwise just pull it off and discard it. Printed with SpiderMaker SpiderFlex TPE (Matte TPU) 75A-80A (Fair Skin): https://www.amazon.com/dp/B0BY7ZHDWM
Pick an appropriate shade of TPU, of course.
CLI utility for implementing bionic reading in a command shell.
This site sells prosthetic contact lenses (including sclera) for amazing prices!
E-Nabling the Future is a community of makers, 3D printing hackers, and makers who design, build, and manufacture prosthetic hands and arms for children.