Need help creating a logo

So, guys, I need some help here. I want to have some professional-looking business cards.

I think I've decided to use the Guilloche pattern generator to make it. I'm going to post a couple of ideas here, and I'd like some feedback from you all. Primarily, "are they math-y enough?"

I'm calling this one purple star flower

Blue star flower

star

spirograph

So, do you like any of them? should I keep playing? remember, these need to be little to go on a business card.

Thanks!