Korneel from Belgium made this lamp from watering cans some time ago and is willing to give it away for free. Check it out.
“It is a hanging lamp, made out of two PS Vallo watering cans. I bolted them together, and installed a lamp holder in each of then. As a result, the center of gravity was above the holding point for the wire, and the thing would not hang straight. I solved this with some ‘invisible’ nylon wire.
I made this item some years ago, since then I moved to my new house. I am not using this lamp anymore and I am willing to give it away for free (not including shipping).”