This concave – convex asymmetrical wall fireplace can be wood, gas, ethanol or electric; double coating for superior heating efficiency as well as allowing a range of over 3600 different colors of lacquered steel, metallic or home-produced finishing-touches, stainless steel or brass, etc. This custom fireplace functions on gas fire with natural gas burner shut-off valves for air intake and smoke extraction flue, with heat recovery system hood and base in handcrafted brass finish; Benz-lacquered curved uprights and curved top. Options such as a lighting system can be added.