Hommage to Albrecht Durer

Can you make a square so that not only the rows,columns and diagonals add to 34,but also the 4 corner numbers,the 4 central numbersand each of the 2×2 corner squares add to 34? who was Albrecht Dürer A Magic square is a grid where the sum of the numbers in each line, each column and … Read more

Vitus Bering

Transform the 7 pieces that make the pentagon in to a square. You will find the Northern pole star at the end of the “bob” or “handle” of the Little Dipper asterism in the constellation Ursa Minor. So the boat can find where the north is. FORMA COI 7 PEZZI DEL PENTAGONO UN QUADRATO NEL … Read more


The spider, a factory worker, made his beautiful and perfect dodecagonal canvases. One day the boss told him to make a square canvas. With the six pieces that compose his web help him make a square one. Il ragno, operaio in una fabbrica, faceva le sue belle tele dodecagonali perfette fin che un giorno il … Read more