Say that you drawed a rectangle.You can obtain a cylinder by revolving it 360 degrees right?? But now say that you drawed a solid of a cylinder.How can you obtain its rectangle(i.e. open shape of it)?
Or, say that you drawed a solid of a cone.What is the opened shape of that cone,so that if I...
I want to obtain opened sketch of a closed body.In other words ,for example I know to obtain a cylinder from a rectangular,but what about to obtain that rectangular from that cylinder???
