Engineering Drawing-Development of surfaces-Part-2

In this video lecture I had discussed, how one can develop hollow cylinder, prism, cone and pyramid. I had also shown the development of frustum of cone and pyramid. Engineering Drawing-Development of surfaces Part-3: https://youtu.be/cY1Vhps6x1o Part-2: https://youtu.be/_M-BABptf5g Part-1: https://youtu.be/uVvXazYSqI0