For these light art pictures, we placed one RGB LED inside a ping pong ball and used the power cable to spin it around, creating different designs. If you are a light artist, LEDs are a nice option.
Tutorial: Learn How to Paint Perfect Spheres of Light Into Your Night Shots - 500px
Light Art Circles
String art - making of the light reflection
My Little Cochina – Artwork
light art circles - Google Search Installation art, Stair art, Light art
Light Painting Photos, Download The BEST Free Light Painting Stock Photos & HD Images
Circles of light hi-res stock photography and images - Alamy
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Circles of light hi-res stock photography and images - Alamy
159 Spirograph Light Painting Images, Stock Photos, 3D objects, & Vectors