Pedro, 16-year old, suffered stroke in 2012 which left him with his right hand affected by spasticity and lose fine movement. A team collaborated with Polytechnic University of Catalonia (UPC) and created a custom orthotic hand swimming fin for Pedro in less than a month using water soluble PVA material and Sigma 3D printer.

 

Source: https://www.bcn3dtechnologies.com/en/3d-printed-fin-stroke-rehabilitation/