If you roll with a group of designers, it's almost considered lazy if you show up to a birthday party with a store-bought card. And maybe you're getting tired of being outdone by your papercraft-crazy friend who spends hours creating those Taj Mahal pop-up cards. Well, perhaps you can one-up them with this:
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That was created by Calvin Nutter, who even created an Instructable so that you can download the graphics. You'll still need to do some fine X-Acto work and think up some clever text, but it's better than throwing more money into Hallmark's coffers.