How can I use old fan blades?

Use it in creating outside art?

Janet, some people like to paint them and make dragon flies for the garden. Others make decor for the garden with flowers or windmill designs. If you click on "explore projects" then "decorate" you can find other ideas. I have chosen one for you: https://www.hometalk.com/diy/craft/holiday-gifts/diy-whisk-flowers-7222214

DIY Whisk Flowers

Here's a couple of ideas Janet

https://www.hometalk.com/diy/outdoor/garden/windspinner-diy-40469580

https://www.hometalk.com/diy/outdoor/garden/how-to-make-a-dragonfly-out-of-ceiling-fan-blades-29524350

so many fun idea for garden art, paint them and make them into butterflies, bugs, flowers, windmills!!

Here's a cool farmhouse idea:

https://www.hometalk.com/diy/decorate/walls/faux-finish-farmhouse-windmill-34925785

Some ideas:

Hi https://www.hometalk.com/diy/outdoor/garden/smaller-cousin-to-the-ceiling-fan-blade-dragonflies-bugs-from-chair-legs-and-fly-417916

https://www.hometalk.com/diy/outdoor/garden/dragonfly-from-a-table-leg-and-ceiling-fan-blades-172458

https://www.hometalk.com/diy/outdoor/garden/how-to-make-a-dragonfly-out-of-ceiling-fan-blades-29524350

https://www.hometalk.com/diy/outdoor/garden/diy-bling-butterfly-from-upcycled-fan-blades-2915282

https://www.hometalk.com/diy/outdoor/garden/repurpose-ceiling-fan-dragonfly-glows-in-the-dark-7868360