you could start with any curve
copy and rotate for ridges
more copy and rotate
convert to polylines
make a mesh and select the polylines for mountain and valleys
a little help to kangaroo to prevent boundary curves to break
and simulate with the script provided by Daniel in this post
simulate starting from 0 rad fold and going up to 0.8pi could give you this
here the gh, i hope this helps…
Origami_k2_cf.gh (33.3 KB)