|Calculated||center vertex is placed in the average center of all points|
|Offset||offset calculated center, with Offset|
|Custom Position||set center vertex relative to RectTransform center|
|Cutout||adds a hole in the center of the polygon.|
Use Resolution and Radius to set its shape.
Rotation Offset rotates the cutout, please be aware, that this can cause/fix overlapping triangles
controls how a polygon is drawn