Fun and easy to make lampshade.
You will need a laser cutter and a 120g A3 paper sheet
dimensions : 28x28cm, once it is wrapped up 15cm height, or
Just cut the paper with your lasercutter and pull up gently.
it is an illustrator built model, i simply draw path and duplicate or rotate. You can buy the same ones from some swedish shop, but this one is YOURS ! have fun !