Saw these superb paper pleated lampshades at Design Museum Danmark (Copenhagen). You should definitely swing by if you, too, are lucky enough to go on a hygge hol! :) I believe these shades are crafted by a selection of designers (very sorry - credits photographed blurry).
If you would like to learn how to create your own paper pleated lampshades, this book should be your first port of call:
Here's a link to my review of Paul Jackson's Complete Pleats.