Our Daily Bread designs Blog: Techniques, Tutorials and Tips - Side Step Card!
Stamping Inspiration: LOVE BIRDS 60th ANNIVERSARY CARD...
Beautiful Season Center Step Card by mnfroggie - Cards and Paper Crafts at Splitcoaststampers
Double step card tutorial http://piggyandminniemouse.blogspot.co.il/2010/10/double-side-step-card-tutorial.html
Stampin' By The Bay: Snow Place Side Step Card
how to make a combination easel/stair step card... (they just call it a "step card" in the post)
All That Scraps Blog: Make it Monday side step card tutorial
side step card. Very"fancy" but there are good instructions for a side step card.
Inking It Up With Cathy: Center Step Card - Stampin' Up!'s Papillon Potpourri
This looks like 4x 12 card stock, scored and mountain folded at 3", 6", 8", 10", and 11". Making a thick 4x 3 card. Will need box envelope.