After you use SketchUp for a while, you may notice your drawings being very sharp and square. Or, you may need to draw a ball, sphere, half sphere, bearing, or some other “sphere-like” shape for your design. It’s really simple to do, and only takes a second once you learn how to.
This tutorial most likely will bring a new tool into view, that you have not heard of yet called “Follow Me” tool. This tools continues a surface until the end of the adjacent or connected surface.