Yes, 3 windows in 3 walls.
Then edit the corner options for each window.
One will have a corner connection on the right, one with a corner connection on the left, and the middle window a corner connection on both sides.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10