Join Panels Node
This node get several panels as input and bake them into a single panel. When one panel is joined to another it sticks to one side of the previous panel. Process of joining can go from left to right and bottom to top or vice versa.
Inputs
- Panel
Repeatable socket for input panels
Properties
- Align
This property determines the side where to put next panel (right, left, top or bottom).
Outputs
- Panel
Resulting panel
Examples

This setup join windows and pillars in a way that central pillars are always lesser than number of windows on one item. In yellow border there are two panels which are joined by first Join node and in the red border there are two panels which are joined by second Join node.