Knotwork Designs for Inner Peace. Traditional Celtic knotwork designs, intricate and circular, are among the most beautiful patterns ever created. Colour in and meditate on these 80 exquisite examples of the style, all from a noted knotwork designer. Colouring the interlaced paths of Celtic knots relaxes and focuses the mind. Not only will you enjoy filling in these designs, but once you're done, you'll have beautiful pieces of artwork that you can treasure or display. Brand New.