A new video has been added to the Customer Services, Video (log in required – maintenance paying customers only) section that shows how to create a square to round transition in sheet metal, that can be flattened.
Creating a slot in Solid Edge is very easy. One method would be to construct it with circles and tangent lines and then trim out the internal sections of the circles. This works OK, but you need to constrain the geometry well with relationships and dimensions to keep it as you would require it. Another