This image showcases a fun and interesting v-fold style design and how to execute that. I think that being such a simple method of creating a pop up that doesn't leave any messy tabs or big gaps of space behind the design.
card critters dog scottie terrier balloon balloons : The Spotted Chick: Happy Birthday LouLou! kraft base with gel pen faux stitched border . giant red with white polka dot fills the top third . cute dog sitting with string in paws