У вашего броузера проблема в совместимости с HTML5
Printrbot Founder and CEO Brook Drumm was on hand at MakerCon today to reveal a beta of the upcoming Printrbot CNC router. While it's targeted as a tool for beginner CNC'ers, the machine is quite capable for maker-pros alike. It can cut wood, plastic and aluminum at "respectable speeds," according to Brook.