Materials: Frakta, large carrier bag In need of a sturdy handbag for books etc, I took one of my old Frakta bags and changed it in this handy thing. It took me about 15 min. See Also How to extend the new IKEA KADRILJ motorized blinds I folded the bottom to the inside. Cut of the sides, turned inside out and sewed it back together again. Make sure the bottom is folded like a pocket. At last sew the corners to form a box-like shape. Turn outside in: Ready!