the pattern is with the thangles-
and it is simply 1/2 square triangle blocks and arranged in that lay out- you could make up your triangle blocks-then looking at the picture lay them out & sew them together-you do not need a special pattern for that--it is just 6 rows of 6 blocks- (32) 1/2 square triangles and 4 corner blocks....laid out & sewn together.