1-2-1-2 October 8, 2012Tessellation Nation3-shape tessellationRaymond K. Houston Tile 1-2-1-2 Starting from Home position, rotate the two right cells 90 degrees clockwise. Below is the resulting pattern of repeated tiles. Pattern 1-2-1-2 Share this:EmailPrintFacebookMorePinterestTwitter Related posts: 1-1-4M-4M 1-1-4-4 1-1-2M-2M 1-1-3M-3M 1-1-1M-1M Quilt 2-2M-4M-4 and 3M-3-1M-1 (alternating tiles) Several observations . . . Why goin’ ’round in circles is more difficult than travelling in a straight line . . . Quilt 3M-3-1-1M and 3M-3-1M-1 (alternating tiles)