In a weldment, the skeleton sketch is not momentarily hidden by default, when it will be used in the operation. Suppose, that we make a drawing from such a structure. Then the sketches will be visible in each of the projections. Of course, you can hide them – but separately in each view. Theoretically, you could just globally turn off the visibility of sketches, but we hide them all, so I advise against it. Sketches...
