Isometric Grid Preset for Harmony

Hello everyone! I was tinkering with the square grid in harmony and made an isometric grid, if anyone is interested in using it you can download it in the link below and import it in the Guides tab!

https://drive.google.com/open?id=15s-g86iEpB6Z1LlWPoVz4LgBXns8JF2Y

Hello! is very interesting this post, I would like to try it out, but how exactly should I use this script? I’m a total newbie