Originally Posted by
Rube
That could be a pretty handy feature. I could go from and to reference faces that exist on the model if the sketch is on another plane, but not an offset from the sketch plane. It would be more work to make sure the relationship is maintained though, if the diameter of the tube changes. The midplane solution is an easier better one in this case. Besides, that plane more than likely already exist, and is how I would have done virtually all the features I see on that part. He was probably just trying different things, which is good, as obviously there are many ways to do it. I assume he drew that sketch to show his intent, and don't believe he was trying to extrude that.