Since the cap increase and also storage, I'm not bothered by the interior furnishings limit any more. Transparent partitions would be interesting but reflective surfaces (e.g. the mirror ideas) are likely impossible in the current system without making everything break. They avoid reflections quite noticeably at times, even down to the characters' eyes reflecting a fixed image rather than rendering a real-time reflection.

I agree we need pillars and paper walls. This thread should really be made in the Housing forum though rather than in General as it might be removed.