Fig. 3.

Two types of embroidery patterns. On the left hand side, the ‘M’ type pattern is presented and on the right hand side, the ‘V’ type pattern. Red dots represent fixation points with the carrier textile. Pattern ‘M’ consisted of 54 optical fibers (12, 18, 24 in each ring from the middle to the outer one, respectively) whereas total number of fibers in the ‘ V’ pattern was 82 (18, 28, 36 in each ring counting from the middle to the outer one)