steam locomotive 3d model

Refine this locomotive into a clean premium casual mobile puzzle-game asset. Keep the same overall toy steam-train concept, but simplify the geometry. Make the train body shorter, slightly wider, and easier to read from a top-down three-quarter camera. Use smooth rounded edges and simple low-poly forms. Simplify the wheels into clean solid toy wheels with minimal spoke detail, and make every wheel a separate mesh for rotation animation. Remove unnecessary mechanical details, rods, undercarriage parts, pipes, couplers, and small decorations. Keep one simple chimney, one rounded boiler, and one compact rear cabin. Maintain a strong recognizable silhouette from above. Neutral materials only, suitable for recolouring in-game. No track, no scenery, no ground, no text. Optimized for real-time mobile rendering and GLB export.