I am creating a lens that is based on a semicircle with spherical curvature. The lens needs to be truncated at the tangent point of a circle starting at what would be the center point of the semicircle. I have not been able to create a cut like this on a revolved base before, the only way I have been able to make the desired shape is through using Section View (which isn't permanent) and manipulating a drawing after designing the original shape. What I want to do is make Section View like cut on the vertical plane of the shape, as shown below. The dimensions for the lens are shown in the drawing. The vertical curvature of the lens was created using the arc tangent line function. Thanks in advance.