Pricing is always based on the amount of work and materials that go into a particular art piece. If a panel is to be highly detailed, the price will reflect that. If the glass is hand blown rather than machine made, the price will be higher. I can give you a rough idea of price in order to give you an estimate. $200 a square foot is about average. If you contact me with your idea I can give you a much more accurate bid. Feel free to call or text 360-801-4258.