Cut an inexpensive Target duvet cover in half to make curtains. It's already two layers, so the curtains will be "lined" and not too sheer.

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Simple Inexpensive Shelves Instead of Built-in.

Mark Roskams modern interiors design

Cut an inexpensive Target duvet cover in half to make curtains. It's already two layers, so the curtains will be "lined" and not too sheer.