Just a simple curtain made of a rough fabric with thick threads. It's high enough poly for some quick interior renders, and low enough poly for some games. You might want to tweak the textures a bit.
STL (Stereolithography, filesize: 36.8 MB), OBJ (OBJ, filesize: 38.1 MB), FBX (Autodesk FBX, filesize: 36.1 MB)