"Hidden Brass Spiral Thunderbird" - Another puzzle piece: 10 rectangles and 10 straights are carefully hand-cut from a single 26"x39" flat piece of flame-colored copper with a brass spiral melted onto the metal. The pieces are then finished, edge-blacked and reassembled into a 5-level 50"x 82"x 5" wall sculpture, using 1/2" spacers. The smallest piece is at the center and contains the beginning of the spiral.