Three rods, ceiling mounted. This page has a great overview of formal vs. casual and ideas for types of drapery. This is an example of ripplefold.
Pivoine & Sage ~ Hare/Rabbit curtains.
Bay window curtain poles - The Bradley Collection
4m50 ceiling fixed pole with two angle bends and a sweep bay in 25mm polished steel with Ball and Collar finials from The Bradley Collection
Cornice melds with Ceiling Crown Molding idea - will hide traverse rod with sheers nicely!
Cream walls and curtains, neutral colour scheme, curtains for bay window
Wrought iron pole: The most cost effective way to hang curtains on a bay window.
Anothony Bay Pole Door curtain, One bend, Graphite
weathered oak stained wooden curtain pole from Walcot House - available to buy through Victoria Clark Interiors.
Chesneys in a modern setting