People throw away electric fans all the time. I rescued these two fan housing halves from my neighbor's trash.
You can make single baskets that hang with wire from an overhead hook, or you can hang multiple baskets in series, like this double basket design.
Step 1: Materials
The wires are attached to the hook, and the four free ends dangle down to hold the baskets.
I bend the rebar either with pliers, or with a 2-pin bending jig.