Lampshade for a vertical lamp or a nice lantern!
I used string lights inside to make a lantern.

To put together:
Use your favorite adhesive. I used superglue.
!! Make sure to glue the slanted edges of the pieces inward !!
Illustration of what I mean by that uploaded into the slideshow.

The bottom is assembled separately, feel free to change it to however you like.
In the pictures I uploaded, I printed the ring a couple times then manually glued them together and slightly rotated each successive ring.

I made this lampshade for a class if you want the full details how I made this check this instructable here!

https://www.instructables.com/Geometric-Lampshades/