Venus of Milo
by Robo, published
This is probably not the cleanest STL you've seen and it does not print particularly nice.
I did not make this myself. I got it here:
You probably want to print this one in white rather than the black ABS that I did (what was I thinking????).
It is 25mm x 25mm x 90mm.
If you're STL-savvy you'd even consider scaling it up to 200% and print it in two parts and glue them together.