Dirty Dozen - Metal Puzzle

Object: Take apart and reassemble the pieces. Made of an attractive orange anodized metal, the Dirty Dozen puzzle is made up of 12 identical interlocking pieces. This hefty puzzle is a challenge to solve, requiring 23 moves to fully reassemble.
Original design by Jerry Loo and part of the Puzzle Master metal collection. (#1, Fortress, Phantom, Quad L, Triad, Trick Lock #7, Victory and Supernova)