Here's the instructions: 3 1/2 x 3 1/2 Card
Cut cardstock 3 1/2 x 10 1/2
Score on 3 1/2 & 7 inches
Take right side & fold it over the center
Take the bottom corner (of piece just folded to center) & fold it up towards the top corner, then unfold
Take the left side & fold it to the center.
Take the top corner (of piece just folded) & fold it back towards the bottom corner.
Now both pieces will fold over the center.