Buy the slipcover from ikea, rip out the seams with a seam ripper, and use it as a pattern to make your own. Then you can sew it back together and dye it your favorite color.

Careful...there's an apartment where a guy has these in the windows of his bathroom, and there have been many many (too many) incidents of seeing his full, flesh-toned outline (mercifully sans deta...

Curtains from Ikea.