I want to bevel the exterior edges of a polygroup but when I do I get this kind of result even if I use PropWidth (which makes the bevel width proportional to the polygon, but not constant along the edge loop).
![Image: https://us.v-cdn.net/5021068/uploads/editor/xx/p9lslw95nq39.jpg](https://us.v-cdn.net/5021068/uploads/editor/xx/p9lslw95nq39.jpg)
This creates very ugly borders before or after subdividing, which you can see in this image I did after adding one level.
![Image: https://us.v-cdn.net/5021068/uploads/editor/9h/ey8ypoyb5q93.jpg](https://us.v-cdn.net/5021068/uploads/editor/9h/ey8ypoyb5q93.jpg)
This is what I would want:
![Image: https://us.v-cdn.net/5021068/uploads/editor/ab/7h8wo4agco6a.jpg](https://us.v-cdn.net/5021068/uploads/editor/ab/7h8wo4agco6a.jpg)