Help, I have a part that is about 3.5" long (round) with an I.D of 1.5" in diameter. On one end of the I.D. there is a radius of 1.5", there is a diameter called out at the top of the radius. Any suggestions?

This is what I tried, and did not work - est a plane on top of the part, took as many hits on the radius as possible, then constructed a point at the intersect. Tried doing this in three places and then constructing a circle from the three points. Didn't work, am I going about this with the right approach or is there a better way?

This is what I tried, and did not work - est a plane on top of the part, took as many hits on the radius as possible, then constructed a point at the intersect. Tried doing this in three places and then constructing a circle from the three points. Didn't work, am I going about this with the right approach or is there a better way?

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