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3d printing

Drawing Disappearing Images

The idea is simple. A plotter that hangs from a wall and draws on a UV-reactive surface with UV leds as the “paint”. Based on the characteristics of the UV-reactive surface, the picture will slowly fade and disappear over time. Since I want this to hang from the wall, there are two ways I can do it. The way most people do it is with two stepper motors with a spool of rope connecting each to a center puck....