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Operation Toolpad > Geometry Command Button > Edge Command Button > Create Edge > Arc
Right click on the Create Edge to see more options. Select the Arc icon. (The default option is Straight)
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Operation Toolpad > Geometry Command Button > Edge Command Button > Split Edge
Then select the respective edges to split to for point A,D,E and F.
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Operation Toolpad > Geometry Command Button > Edge Command Button > Split Edge
Change the coordinate Type to Cylindrical
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