or buy at Payhip or LoveCrafts An optical illusion afghan or wall-hanging. The original (green and brown) version you see in the photos is only about one metre square. If you want to make it bigger, the pattern gives instructions for changing the overall size in a variety of ways. There are also several variations of the design given, including one that will allow you to use up lots of oddments of yarn. You can use any yarn of your choice though smooth, plain yarns are recommended. As with all our patterns, there is a colouring-in sheet so you can plan your own colour combinations. The name comes from a quote by Albert Einstein The mere formulation of a problem is far more often essential than its solution, which may be merely a matter of mathematical or experimental skill. To raise new questions, new possibilities, to regard old problems from a new angle requires creative imagination and marks real advances in science. Read the story of this afghan on Ravelry or on Woolly Thoughts web site. August 2016 The pattern now includes an extra file with pages for several variations that you can colour in to plan your design. You can also download this file from the Afghan Colouring page of the Woolly Thoughts website.
