NASA doesn't need to spend more studying Saturn's hexagon. I just solved it with a hand blender and some peas
(thelemmy.club)
I reckon they didn't even bother 3d printing it. I think they just printed an image on paper and stuck it to the sky. When it goes below the horizon they scrape it off and put a new sticker up, with an image rendered from a slightly different angle, so it's ready for the next night.