Pretty simple :))
You can for example duplicate x and y layers, flip it vertical and create more complex grids that way.
![](http://assets.clip-studio.com/en-us/description/1791052/img/7949c9152b-9d4a-bb9f-5353-189ad1ddf6.png)
![](http://assets.clip-studio.com/en-us/description/1791052/img/e7d9e752b2-2d45-ecbf-dfb4-1ad2931131.png)
![](http://assets.clip-studio.com/en-us/description/1791052/img/fcadbc08bf-ce4b-dbba-8461-004ae69774.png)
Pretty simple :))
You can for example duplicate x and y layers, flip it vertical and create more complex grids that way.