Dual Tetrahedron 03 Interlocking Puzzle

The crafter describes this puzzle in the following manner, "This is a four piece coordinated motion puzzle. I called this kind of my puzzles NEW RANGE. When I started to sand my puzzles, I discovered new possibilities in oval and rounded shapes. These shapes and using different contrasting woods created this kategory. Some of them I called as Ocvalhedron, Flowers, Bicones ... and they have specification as number so I can orientate in these various puzzles." Measures approximately 68 x 68 mm.Crafted in Plum, Maple and Rosewood.Consists of 4 pieces that are beautifully waxed and polished.Coordinated motions required to open this puzzle. Please note that this is quite a challenging puzzle to disassemble and reassemble.