The first part about optics here: www.drive2.ru/o/b/459345997466765265/
Many have asked to show how, for example, "sawn" radiators.
I don't know what there is interesting, the process is fairly routine, in my opinion, is where almost all automatically according to the program, so the "run" in the parameters, and the speed of production is large enough.
Everything else in the video. At the end especially removed the music sound interesting :)