You can ask for critique of your art or even ask people to make you models based on a reference, but general aesthetic direction isn't something other people can choose for you... maybe try looking at existing images to get more ideas for figuring out the kind of thing you want? for example google image search:
https://www.google.com/search?client=fi ... OozlI9dyXM
(searching for just "metal fan" resulted in literal fans made of metal, lol)