Growth Venn wood carved ArtLIMITED EDITION One of a kind Hand Carved Venn Growth Art sculpture. The surface color and finish of this breathtaking piece of art was created using the shou sugi ban () technique. Originated in Japan in the 18th century, the process involves charring the wood surface with a flame to render it a deep charcoal black. The design was then carved approximately 1 2" into the wood and meticulously hand painted for hours using gold leaf paint. The contrast