"To really create that room feeling, we added fabric to IVAR side units and joined them together with hinges to make easy-to-bring-along walls. And if you’re really feeling crafty, you can make a sunshade of fabric like we did here."
DYI Room Divider-Screen from Ikea. The instructions are on their Swedish blog: http://livethemma.ikea.se/inspiration/diy-ivar-skarm-i-naturmaterial. Just click Google Translate for the instructions in English. The parts are available here in the US and are super inexpensive! Screen is made from Ivar side panels...here's the link to the Ikea page. http://www.ikea.com/us/en/search/?query=ivar