vientos-iconset IcoMoon.io Go to https://icomoon.io/app/#/select Import Icons (icomoon/selection.json) approve to load settings Modify selection Generate SVG & More (Download) make sure to select Polymer checkbox in settings (gear icon) Overwrite cp <unpacked-archive>/selection.json icomoon/selection.json copy entire <svg>...</svg> element from <unpacked-archive>/icomoon-polymer/icomoon-iconset-svg.html and replace with it one in vientos-iconset.svg remove all class="path1" from replaced svg