I've been in this field a long time, mostly on the sculptural side, but over the years stumbled upon a few simple origami mechanisms that seem to have been overlooked---ideas that someone a hundred years ago really should have thought of, but missed. The tree turns out not to have been picked entirely clean, and it fell to my lot to find a few fruit on it still in good condition.
Most of these mechanisms I've written about here on this Blog at the moment of discovery, but not all. You can see these 3 - 4 concepts in the (slightly longish) video below. I showed all of these at the Sculptural Origami Gathering in Innsbruck in 2023 and now there's only one idea of equivalent stature, also from about a decade ago, to disclose at the upcoming SOG in Japan.
Soon, perhaps we'll have more to discuss ...
Cheers!
Saadya
Saadya Sternberg Mechanical and Geometric Origami Discoveries
