Have you found the prettiest crochet blanket pattern you& ever seen, but discovered that you want it to be a different size? This crochet tutorial How to Crochet: Re-Sizing Crochet Blanket Patterns will show you how to make your special afghan the
:: Illusion Blanket, general instructions by Trish Smith (no specific written pattern). A very clever idea using corner-to-corner diagonal box stitch, with 4 panels joined as they are made. Colour graph available on Ravelry page.