This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 There always comes a situation, at home or while travelling for some extra seating. But to have something that has fixed base occupies a lot of space. So I have designed this unit. The top with the cushion is detachable. the base folds up and can be snug fit to the seating base. Can be made with wood and ply base or totally with wood.