Hacker help: Ektorp sofas into two chaise u-shape sectional?

Photo: IKEA.com

Materials: 2 Ektorp sofas, chaises

Description: I would like to use IKEA Ektorp to create a symmetrical, u-shaped sectional in Ektorp with a 2 or 3 seat sofa in the middle and one chaise on each side/end. Has anyone done this?

~ Shana, California