It seems like many artist have converted to the iPad. While it doesn’t compete with the tactile interaction of real paper and ink, it offers a huge array of editing and other benefits. Now painters can get in on the fun too!
Via Hackaday:
The system uses a Fresnel prism in view of the iPad’s camera. This allows the camera to see only the parts of a paint brush, sponge, or other implement, as they make contact with the surface of the prism itself. This is via the principle known as total internal reflection.
Thus, simply wetting a paintbrush, sponge, or even a finger, allows one to paint quite authentically on the surface of the prism. The corresponding Light Strokes app on the iPad turns this into the pretty pixels of your creation. The app also allows one to experiment with all manner of fancy brush effects, too.
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