Using the smart utilities(It be included in Expeditionpcb install and you may install it), you can do rounding to all vertices of a polygon. If you wanna do all chamers, you may write your own scripts.
But I really don’t know why Mentor can’t provide both options via Smart Utilities
About this I’ve been talking for years. Now it is such option for round corner in smart utilities, but not for Chamfer.
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