Interesting generators, always like watching videos of new DIY/hand-crafted gear. Can't seem to see any price info or anything, are they items that are for sale do you know?
As an aside, I wish I had the technical nouse for creating stuff, I'm getting better but fortunately have a friend who is very experienced in making DIY pedals. Every time I show him a video of some kind of synth/sound generator/noise maker and say "let's make one" he normally says "Ok. But I don't really see the point in it." However, he is happy to help whether he can see the personal benefit of a particular DIY project or not!