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How to cut out a portion of a part that was created with revolve?

curtis_reynoldscurtis_reynolds Member Posts: 5
I am building an astronomical observatory. I'm building it in onshape to figure out some of the actual construction. Actually, all the construction is done, up to building the dome. I have created the dome using the revolve tool. I need to cut out the aperture in the dome for the telescope to see through, but I can't figure out how to do that in onshape. Any help here would be had and much appreciated. Anyone know how to cut our a rectangular hole in a part created with revolve?

Thanks in advance.

p.s. Onshape guys... I absolutely love onshape so far. This is actually my first venture into 3D CAD... and the learning curve is not terribly steep. I just started using it yesterday and feel like I've done a pretty fair job already.

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