![](http://ultimatdefence.tv/wp-content/uploads/2020/07/black-wall-builder-open-doors-plan.jpg)
Doors can be hung from either side of an opening, and opened either inward or outward in 2D and 3D. Windows can be put in place and looked through.
![](http://ultimatdefence.tv/wp-content/uploads/2020/07/black-wall-builder-open-doors-3d.jpg)
Doors can be hung from either side of an opening, and opened either inward or outward in 2D and 3D. Windows can be put in place and looked through.