Perlin noise is a type of gradient noise developed by Ken Perlin in 1983 as a result of his frustration with the "machine-like" look of computer-generated imagery (CGI) at the time. Generated Simplicity uses this algorithm for generative art that is simply loveable.
A Length: Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt. B Chest: Measure yourself around the fullest part of your chest. Keep the tape measure horizontal.