Jonathan Lampel from BlenderHD takes a look at creating convincing cloth objects in Blender that can be used for architectural interior renders.

Learn how to make great looking blankets, sheets, bedspreads, or any other cloth object for architecture visualization

Jonathan demonstrate how to model cloth draping over a sofa in this example, and notes that this technique will work with draping cloth over any object, and shares some tips for and efficient workflow. Check out the tutorial for Creating Draping Cloth in Blender for Architectural Interior Renders here.