I have promised several times that I would eventually explain how my twisted-crest pop up cards work. Eventually is now! I have a post up with the patterns (for Glowforge, for craft cutting machines and, by hand), instructions, settings and, a video walk-through of making a card here:
https://evermorestud.io/make-a-flower-pop-up-card/
If you just want to see how it works without the rest of the walk-through, here’s a link to the video at 4:40, where that happens:
Here are the GF patterns, in case you are allergic to visiting my site for whatever reason:
FlowerCrestOAGFSVGs.zip (4.7 KB)
(Non-commercial, personal use only, please. https://creativecommons.org/licenses/by-nc-sa/4.0/ )