Sierra Hotfix Era for Cutters / Plotters HotFix Era Rhinestone Design software is a powerful application designed to set your imagination free in creating custom rhinestone templates, rhinestone transfers and rhinestone decals. So if you want to use rhinestone software and make rhinestone transfers with your plotter, Hotfix Era is a great place to start! REQUIRED reading >>> Please check here for computer system requirements. NO software, if opened, will be accepted as a return - no exceptions. Find more information on complete Brush n Bake Rhinestone Systems and other Hotfix Rhinestones products on the rest of our site.