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Altekruse Puzzle Piece
| Designer | : | W. Altekruse | ||
| Craftsman | : | Stewart Coffin (1st) Tom Lensch (2nd) | ||
| Category | : | Interlocking | ||
| Material | : | Zebrawood, Paldau & Padauk (1st) Mahogany (2nd) | ||
| Pieces | : | 12, 14, 36 or 38 | ||
Patented by W. Altekruse in 1890. All of the pieces are the same. Stewart Coffin found that not only can it be assembled with twelve pieces, but fourteen as well. A larger version with thirty-six or thirty-eight pieces is also possible. There are three solutions, all of which are unusually different from other burrs.
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