Marissa Louise makes these cards in the Victorian Valentines Card tradition, and they have a “cobweb” that lifts to reveal a message. She sells them on Etsy and has a cobweb card tutorial on her site. [Thanks, Johngineer!]
Becky Stern (sternlab.org is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).