Update README.md (#8)

- Update README.md (1f1dc2a91625c6defcb7f62860c8ec53db011a1d)


Co-authored-by: Chendi Lin <[email protected]>

README.md

@@ -87,10 +87,21 @@ We define quality score as a metric to assess how useful a 3D object is for mach
 <img src="https://github.com/user-attachments/assets/fb802ae1-23d2-4040-be50-67bf2cdfb9d1" width="700">
 </p>
 
-### Art Style and Density
+### Art style (Experimental)
+- **Scanned**: With little pieces from real-world camera, usually super high poly.
+- **Arcade**: Includes distinct patterns as if in the old games, sometimes has repeating patterns.
+- **Sci-Fi**: Dark color with lighting, usually metallic.
+- **Cartoon**: Colorful Western cartoon style.
+- **Anime**: Color Japanese anime style.
+- **Realistic**: With non-repeating textural details, but still handcrafted by artists.
+- **Other**: Unable to be categorized or of awful quality.
 
-- **Art style**: Scanned, realistic (but still handcrafted by artists), anime, cartoon, sci-fi, arcade, single color, other.
-- **Density**: Different levels of polygon counts are adopted in different use cases in the 3D modeling and gaming industries. 
+<p align="center">
+<img src="https://github.com/user-attachments/assets/e25f2761-538d-4351-a3d7-6abf31b92455" width="700">
+</p>
+
+### Density (Experimental)
+Different levels of polygon counts are adopted in different use cases in the 3D modeling and gaming industries. 
 
 ## File structure