All these origami are from the internet. There are links to the youtube videos on the images.
Origami - "Paper Folding" has a multitude of Benefits
Personal Well-Being - Origami is one avenue that provides both mental and physical stimulus with exercise.
Educational - a lot of geometry, shapes, symmetry
Robert Lang - Origami Artist and former NASA physicist. - Origami and the real world.
MIT - http://origamit.mit.edu
Origami USA - https://origamiusa.org
Origami.me - https://origami.me
Fun Origami - Jeremy Schaefer - https://www.youtube.com/channel/UC2OQxWDDE71D6AKrNa7XygQ
Community for Creators of Origami - https://cfcorigami.com/convention/cfc2-2020
Don't remember this one either.
Star Puff (Ralf Konrad) - after "puffing", can't get more definition in length of stars.
"Snow Crystal" - 1/2 of folds is similar to SnowFlake by Foschi. This one remains flat after folding.
Paradigma - (Ekaterina Lukasheva) 6x6 square is too large. Finished model is approx 1' in diameter . I would use 4" square or smaller for final assembly.