I’ve seen this in a few different venues, but Laughing Squid brings the best of it together. A dad, frustrated at the thought of buying his son a prosthetic hand for tens of thousands of dollars, instead figured out how to print one for about $10 in materials:
Two years ago, his father Paul McCarthy saw a video of Liam and his 3D-printed Robohand and searched online for a 3D-printed prosthetic pattern for his son. Since, Leon has learned to use the inexpensive 3D-printed prosthetic and he and his father work to modify the original design to make more useful hands whenever he outgrows one.
The CBS News video tells more: