Let everyone else crowd in the Hallmark aisle come mid-February. You are the DIY type. You’re also crafty little nerd who loves pixel designs. Am I at least getting warmer? This template for a Popup Pixel Valentine’s Card will set you on your way to a night of romance. All you need is some fancy paper, a needle, a ruler and some pretty sick scoring skills. I don’t know what any of that means, but my idea of a homemade Valentine involves computer paper and a red sharpie.