Concertina Card Tutorial. Card-Making-Magic.com Christina Griffiths Video 9:06 mins You will need to make sure that the card stock that you use is of a heavy enough weight to stand up by itself ... as the last thing you want is for the card to keep falling over. I have used some double sided card to make mine as this will give a neat effect to the back of the card.
Jan.14/11 Here is a different tri-fold card. I saw this card here and thought it was a really neat fold. I hadn't seen one like ...
Inside Step Card - WISH cutout letters on steps, 3D flowers
Aspiring to Creativity: Double Sided Step Card Tutorial