Furniture Design Golden Butterfly Chair by Wingstone Casa The Golden Butterfly Chair is an original household product jointly developed by Professor Ko-Fei Chang and Wingstone Casa; it took up 6 months of time from the proposal confirmation to factory implementation with countless of adjustment and modifications during the process to finally end up with the Golden Butterfly Chair. The Golden Butterfly Chair, as its name implies, originated from butterflies in nature; dancing butterflies are graceful, and the form of their flying wings is wonderful.