Hi folks I am new to work with Mechanical desktop 6 Powerpack. Can anybody help me to solve an operation? When I have created a circular tube and want to make a radial hole, here I am in trouble. I use the amhole com. But non of the placement options are adequate. I also tried to insert workplane and specify a workpoint, but then I get the information "Error: The active part has no volume." Any advice is appreciated. Bjorn