This project is great, I've used it in a number of 3d printed lamps (I did not design, just printed and assembled):
Hex wall feature: https://www.youtube.com/watch?v=k58HUUgFhOw
Fiber lamp: https://www.youtube.com/watch?v=lGlQDPNpxps
Canister lamp: https://www.youtube.com/watch?v=OdRT6GtUGSo