[previous configuration] [up to this 3D shape] [next configuration] ― Configuration code: RRmDLmLmLmRD

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• Start from
• Position it with the empty square in the North-East position and with the South-West tile of type backslash
• Close 180 degrees with a valley fold the two eastern adjacent tiles
• Open in 3D by hinging the South-East stack about the South side and the Central-East stack about the North side into the final shape