Welcome to the latest edition of Design Porn, Flavorpill’s weekly roundup of all things drool-worthy. Today’s post focuses on taking care of business… cards, that is. Find five of our favorites after the jump — including the glowing example to the right — and leave a comment if you’ve spotted something cool that we’ve missed here.

Time card business cards [via World Famous Design Junkies]

Cassette tape business cards [via Cool Material]

20 business cards from around the world [via NotCot.org]

Tongue depressor business cards [via Beast Pieces]

Thermo-sensitive business cards [via YouTube]

Paper circuit business cards [via Core77]

Bonus link: Limor Fried’s Spirograph Business Card