This project is not for the average DIYer as it requires access to a CNC machine to cut the pattern in the ply. But if you have a very good hand and an equally good jigsaw you should have no difficult (Diy Furniture Building)
Figo Lime Futon with White Frame : Constructed as a chaise lounge that spreads flat into a comfy sleep surface. Featuring a soft, durable mattress cover with integrated pillow. The convertible design is quite contemporary and a very practical option.