Parametric Nipkow Disc

This is a Nipkow disc used to make your own Baird mechanical television set. Before there was 4K or HD, before ATSC or NTSC, before PAL and SECAM, before IC's, transistors and even tubes, this is how TV was done. And this, I claim, is the world's first parametric 3-D printed Nipkow disc.

This has several advantages over the usual alternatives. It is lighter than metal or wood, stronger than paper or cardboard, and its accuracy is limited only by the precision of your printer.

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