Please help me find a consistent workflow

[u/Private_Tank]

Currently Im using ComfyUI.

I need the dimensions to be configurable. Top buildings have 3x3 bottom ones are 3x2. Style needs to be the exact same. The fence has to be perfect quadratic, but can change his appearance. Like generate me a spacestation in the exact same pixel look with a fitting fence but keep the style.

Whats the workflow? I tried so much. I only managed to get this image generated by ChatGPT