If you already have standard rods, you can buy separate hinged elbow connectors from Bed Bath & Beyond or JCPenney to join three straight rods at the appropriate angles.
at Lowe's include telescoping rods and swivel connectors designed specifically for 3-sided or 5-sided windows. where to buy bay window curtain rods
Red Barrel Studio Talmadge 4-Sided Bay Window Single Curtain Rod $133.99$190 Go to product viewer dialog for this item. If you already have standard rods, you can
Hart & Harlow 72-in to 144-in Satin Nickel Steel Bay Window Curtain Rod with Finials Go to product viewer dialog for this item. Rod Desyne Arman 5-Sided Bay Window Curtain Rod Home Depot Go to product viewer dialog for this item. If you already have standard rods