add the custom bed curtain shown in the reference sketch using the sketch as the exact guide for the design proportions and construction use the material reference images to match the fabric color texture opacity and drape as closely as possible recreate the curtain with realistic fullness soft folds and tailored detailing so it appears professionally fabricated and installed position the curtain behind the bed exactly as indicated in the drawing ensuring it integrates naturally with the room s architecture preserve all existing walls millwork trim ceiling details flooring lighting and room proportions do not alter the architecture or camera angle the curtain should look like a custom high end installation with accurate fabric behavior refined craftsmanship and photorealistic material rendering