I am new to Sketchup. Using it since 14 days. I am stuck in filling a surface of an easy obejct. Reading through the forum I undestand it has something to do with the points not being coplanar?
I did follow the relevant videos on Campus. Problem for me: despite good english it is not always that easy to follow. I use the software in German.
Some parts (despite looking at the follow me video MANY times) where just not possible. The two point arc just did not behave as in your video. But I managed with a normal arc.