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The World of Illusion Knitting
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for this afghan
on the order form
How many different squares can be made by using two yarns at a time from a choice of ten?
This demonstrates a practical use for triangular numbers.
Double Vision appears to have 55 different shades though it only uses 10 ordinary, easily available colours.
Also see Double Vision Squared, which is our illusion knitting version of this design
Only ten different yarns are needed. They can be across the whole spectrum or from a more limited palette.
Yarns are used double so very heavy yarns are not suitable.
The design can easily be converted to crochet.
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Have It All Ways
The afghan in the photo was worked in L-shapes so that the design is symmetrical about the diagonal.
It can also be made in strips or individual squares.
Click to see larger pictures
Squares arranged randomly do not have the same effect
This crochet version was made by Altobarb
This version was made by Anne