Select the polygon where you want to make the holes for the fan and click a few times on the tessellate button.

选择你想要造洞的地方的多边形，然后点击几次细分按钮。

youdao

Select the polygon where you want to make the holes for the fan and click a few times on the tessellate button.

选择你想要造洞的地方的多边形，然后点击几次细分按钮。

youdao