Update README.md

README.md

@@ -30,6 +30,17 @@ dataset with an image reconstruction loss, our model exhibits strong generalizat
 
 Please refer to our [Github Repo](https://github.com/aigc3d/LHM/tree/main)
 
+### Download Model
+```python
+from huggingface_hub import snapshot_download 
+# 500M-HF Model
+model_dir = snapshot_download(model_id='3DAIGC/LHM-500M-HF', cache_dir='./pretrained_models/huggingface')
+# 500M Model
+model_dir = snapshot_download(model_id='3DAIGC/LHM-500M', cache_dir='./pretrained_models/huggingface')
+# 1B Model
+model_dir = snapshot_download(model_id='3DAIGC/LHM-1B', cache_dir='./pretrained_models/huggingface')
+```
+
 
 ## Citation 
 ```