I also been trying to use LLM for creating house plans but it got bad sense of directions and spaces and sizes and all. So I ended up using LLM + a tool which

I also been trying to use LLM for creating house plans but it got bad sense of directions and spaces and sizes and all. So I ended up using LLM + a tool which implements hard constraints and gives back validation data to LLM so the LLM can figure out why something wouldn't fit that specific way