Pulsar Waves 

Unknown Pleasures pulsar waves (80 lines, extracted from image). Click the green flag to stitch. Adjust the 'scale' slider to resize (50 steps = 1 cm; default 0.75 gives about 7.6 x 10 cm). Stitch length is set by the 'running stitch by 10 steps' block (10 steps = 2 mm).