The card base is a 6x6 square, and I followed this tutorial for cutting and remodelling it. The two front flaps are held in a bend by tabs that fit in slits. The flowers were then stamped both onto the card base and onto book paper. After quite a bit of fussy cutting, the pieces were in place and I added a touch of white gel pen. Here's how it folds out.
I can imagine adding a sentiment like "congratulations" or "thanks" on the innermost layer, perhaps stamping or heat embossing it with white on a piece of kraft card. For the time being I'm leaving this as it is. I like to do a bit of mail art while I have the stuff out. Since it's not certain that glued pieces would stay stuck on an envelope, I just used a gel pen on a stamped flower. When the tabs are pulled out of the slits, the card fits in the envelope (just have to hope the recipient realizes how to assemble the card!)
It's gorgeous Kristiina, love the way you've used the bendy card. They are so effective with a CAS design like this. If you like them as much as I do I know you will be thinking of lots of ways to decorate them. Thank you for linking to my blog.
VastaaPoistaHappy crafting, Angela x