What a great geometric velvet, this is the Frith reference by Designers Guild. It is available in 4 different colors and in different sizes (currently out of stock except for this piece). Please see details below.
Its official description is: "A wonderfully refined velvet weave, comprising of medium to small scale concentric squares creating a modern graphic geometric. With a subtle neutral ground and woven with a smooth dense pile this stylish yarn dyed velvet makes a statement in your interior scheme for curtains and upholstery alike."
Composition: 71% Viscose 23% Polyester, 4% Linen 2% Nylon