Check out this incredible video game art made entirely of paperclips. It’s a me, Mario, along with a mushroom, pipe and Koopa Troopa, all made from common office supplies. The Italian artist, Pietro D’Angelo seems to be exclusively a paperclip artist- here’s another example with a bit of a closeup so you can see the construction:
It’s incredible the way he’s able to create soft curves from tiny hard metal objects. His website doesn’t say but I think that these are completely self-supporting without any glue- just interlinked paperclips. Can’t tell exactly. Either way, great pieces of art.