In inventor 2013 I want to extrude a horizontal circle on surface of a bigger vertical hollow cylinder. but waht i did it enters into cylinder, and i only want to extrude it on external surface. I would be greatfull for anyone who can help me.the file is attached.
In general you should add holes near the end of a design.
Model the part similar to the way ti would be manufactured.
You could extrude and cut away again, but I recommend simply starting over and do the part correctly from the beginning.
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