ResearchBenchmarksObject Placement on Library polygonObject Placement on Library polygonFollow88.6Object CountMANSION10.28830.61950.9571.281Mar 12, 2026Evaluation resultsMethodMethodLinksObject CountObject Count (Small Items)OB Score/CountCN Score/CountReachability (%)Realism (%)Diversity (%)Layout Adherence (%)MANSION2026.0388.634.30010082.484.380.4Holodeck2026.0373.636.60088.35.95.99.8LayoutGPT2026.0313.3013.797.211.89.89.8