Still in the top viewport, we will Trim off the cap, so we get that round edge and BlendSrf the edges (you can either try JoinEdge command to join broken edges, or you can blend 4 time, and then join everything):
Now, on the back of this part, make a cross section curve like on the image below: Use polyline
Then, we will make one big circle from the center of our little part:
举报