Vintage cotton twill fabric/curtain panel up now on Ebay.
Modern Swedish Fabric
"Harlekin" Swedish modern textile made by Ahlens, a Swedish company. This fabric is sold by the yard, $45/yard available at Retro Online.
My Current Ebay Fabric Listing | 3/3/08
Same pair of curtains as below--amazingly found a second pair of them. Will list on Monday, 3/3/08 in the PM.