I found this while browsing eBay for practical vintage kitchen pieces, and a cast iron turtle trivet is exactly the sort of useful object that did not need to be this charming. It could have been a plain circle; instead, it has a shell.
That is what makes it amusing to me. The job is simple, hold a hot pot, but the form turns it into a tiny kitchen resident with excellent posture and a serious work ethic.
Why it caught my eye: cast iron gives even whimsical shapes a satisfying sense of permanence.
Best for: cooks, cottage kitchens, trivet collectors, and anyone who likes utility with a small grin.