Im pretty sure I could make something like this.a few old pallets sanded back, a slab of mattress foam and pretty material to sew it up with. invest in some pretty cushions and you have a cheap as chips lounge! - DIY Home Project
Kitchen or anywhere DIY. Seems simple enough, depending on your gap between shelves, anywhere from ropes to ropes for your spacing. You could even use wider wood, just adjust your rope length to accommodate your width and height of your shelves.