Game Development Reference
Now do the same with the rear view. Triple-click on it to select everything, and then
right-click and select Intersect Faces ¦ With Model .
If you have SketchUp Pro, skip to step 7. You
can use SketchUp Pro's Boolean tools to do
the following steps.
The part you want to keep is where the two volumes intersect. Use the eraser on
everything that falls outside both outlines, as you can see here.