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 ...

[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 ...

Tennis star Alexander Donski and his doubles partner, Siddhant Banthia, have faced disqualification from the ongoing ATP ...