[david] designed an LED ping-pong ball display using 3D printed components ... has a cup-like structure for attaching a standard table tennis ball. Twenty-five of these basic units combine ...

The technique we want to highlight is not the fact that he used table tennis balls as the diffusers ... to hit the spot for his poster-sized display. Watch it in action in the video below ...

All this time you’ve been holding and hitting tennis balls, and yet you didn’t know about the incredibly complex process behind making them look, act and feel so right. Filmmaker Benedict ...