This is an orthosis designed for people who have lost their hand control (reduced or complete lack of movement of their finger). It allows the use of keyboard and touchscreen.
This object was made for the "Mutual de Seguridad C.Ch.C" from Chile. In a project of the Direction of innovation and development, and the Neuro rehabilitation institute.
it should have 100% of infill because it's shaped by heat. infill pattern could complicate that process.
After printing you should shape it to the hand of the user by heating it with hot water or a heat gun (be careful with no burn the patient). Use as example the picture above