У вашего броузера проблема в совместимости с HTML5
Seams Easy is a new Maya plugin for adding seams, stitches and shutlines to a polygon mesh. It's a huge time and ass saver when it comes to detailing thanks to performing several operations at once. It can also create various profiles on mesh boundaries or stitches along selected edges. Excited? Download on http://www.stepanjirka.com