In the case of Augusto Esquivel, he works with sewing buttons. He creates incredible three-dimensional sculptures out of thousands of them. Including musical instruments (violin, piano, harp) and things such as a fire extinguisher, a toilet and a fire hydrant.
For more go to his site: augustoesquivel.com
Also, Nike made a hanging sculpture from nearly 3000 footballs. It’s located in the Carlton Shopping Centre in Johannesburg and was created by Ratcliffe Fowler Design.
Bleigiessen by Thomas Heatherwick
Anatomical hanging sculptures by Clark Goolsby / www.clarkgoolsby.com