People have been recreating Nipkow/Baird/etc. TV receivers (and far less frequently amorphous selenium cameras) forever, but here's an updated approach using a new, improved 3D printer and, uses an online program to adapt an image source to the disc's format: https://www.youtube.com/watch?v=R-wbfP1pmVw. Link courtesy of Tim Magoun, who likes the guy's channel.