Options
Here you can change the position of the new points along the selected edge. Points that lie one on top of the other will be welded together.
If Subdivision is set to 2 or higher, you can use the Scale parameter to adjust the distance between the new points. The scaling takes place in the direction of the first point.
When active, N-Gons will be created. When not active, triangles will be created.
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These options can be used to define details when creating polygons. You can select from the following: