Light paintaing

painting by light
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Light painting is a technique where a shape is drawn with a light source while a camera is taking a very long exposure shot of it. To do this well by hand would take a lot of skill, so I naturally decided to make my “light art” with a CNC router.
Using this technique, the LED light is treated just like an engraving bit would be under normal circumstances. The difference is that the Y axis is swapped with the Z axis allowing for easy movement in the plane that you see displayed in the picture above. This allows the old Y axis to switch the light on and off in the same way that an engraving bit is lifted to stop engraving and lowered to start explain here. Instead of a bit though, it’s a switch.

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