Trepz opened this issue on Apr 22, 2007 · 11 posts
keenart posted Mon, 23 April 2007 at 8:00 AM
I would create the top part, flip unside down, add to the bottom part and then blend into the third terrain. A lot easier than trying to carve an undercut.
The other method is to create a canyon terrain and then turn it on its side.