I last used these in 2014 for a mobile web app that tracked muscle soreness. Worked like a charm, and I was also able to handle responsiveness with viewport awa

I last used these in 2014 for a mobile web app that tracked muscle soreness. Worked like a charm, and I was also able to handle responsiveness with viewport aware JavaScript. I had to dig up an old copy of Fireworks to generate the polygons easily too.