In a IPP special of his newsletter "PUZZLETOPIA" Nob published this L Puzzle12 pieces.
This puzzle is a copy produduced by puzzle design Ton Delsing Front black. Back white. Put 12 pieces into a 7x7 square. Black side up. Rotation are permitted, turnover is forbidden. Material Acrylic.
This is not a exact copy. I changed everything to make the puzzle more beautiful. Pieces consist with tongue and groove. Start: remove the piece with the compass needle.
