It's surprisingly hard to find prompts that give good results. Almost anything anthropomorphic is a no go, and X made of Y usually just gives you an X or a Y. Here are a few I found that are pretty consistent in mixing the mentioned influences.

Portrait of a steampunk cyborg by Andy Warhol

Steampunk landscape oil painting

Art deco teapot

Organic spaceship in the clouds

Sketch of alien anatomy by Leonardo da Vinci