The Cardassians were the main antagonists for most of DS9. Their ships are reminiscent of rays with the wide front and thin body. As far as miniatures go, Studio Bergstrom produces a Galor and Kheldon which are very close to 1:7000. His Hideki, however, is a little on the large side, so I created my own. Here is a picture of the official Cardassian ships (from left to right: Kheldon, Hideki, Galor).