maybe something with Wood vs metal. but the look and idea are sharp. Contemporary window treatments by Antonio Citterio, Patricia Viel & Partners [internal shutter : sheer fabric set into hinged metal frames]
Magical Thinking Pompom Curtain - Urban Outfitters (NOTE: love this, but unfortunately not sold in length. Recreate with colorful pompom trim on lightweight curtains as outer curtains, with white sheer underneath?