This tactile display lets visually impaired users feel on-screen 3D shapes – TechCrunch

Using a computer and modern software can be a chore to begin with for the visually impaired, but fundamentally visual tasks like 3D design are even harder. This Stanford team is working on a way to display 3D information, like in a CAD or modeling program, using a “2.5D” display made up of pins that can be raised or lowered as sort of tactile pixels. Taxels! The research project, a collaboration