The rail can be cut to the desired length with a hacksaw. The rail can be mounted to the wall or ceiling using appropriate fittings, sold separately. http://www.ikea.com/ae/en/images/products/vidga-corner-set-white__0453263_PE601903_S4.JPG VIDGA Corner set, white http://www.ikea.com/ae/en/catalog/products/S39166400/ 391.664.00 IKEA Dhs 139.00