Before diving into the conversion process, let's briefly discuss what YDD and OBJ files are.

| Metric | Legacy Converter | Improved Converter | Δ | | :--- | :--- | :--- | :--- | | Vertex count (redundant) | 1,450,000 | 890,000 (welded) | -39% | | File size (MB) | 48.2 | 29.7 | -38% | | Rendering artifacts (per 10k faces) | 12 | 1 | -92% | | Material retention (%) | 45% | 96% | +51% | | Time to clean for animation (min) | 35 | 6 | -83% |