To speed up minimizing details for 3D models, use automated decimation tools or manual retopology—both reduce polygon count while preserving key shape features, improving performance and file size.
Decimation (e.g., Blender’s Decimate modifier) is fast and low-effort: it cuts polygons quickly without much manual work, ideal for rapid optimization.
Retopology rebuilds a cleaner, more efficient mesh for precise control, perfect for models needing retained detail (like character assets or critical areas).
Both methods boost faster rendering, real-time performance (games/VR), or smaller files. For game assets, start with decimation to trim polygons fast, then use retopology on key parts (e.g., character faces) to keep necessary details.