diff --git a/docs/x/x4/accessories/heatsink-for-x4.md b/docs/x/x4/accessories/heatsink-for-x4.md
index ec06338ff..279884abe 100644
--- a/docs/x/x4/accessories/heatsink-for-x4.md
+++ b/docs/x/x4/accessories/heatsink-for-x4.md
@@ -46,3 +46,7 @@ sidebar_position: 15
 - 最后，用 6 颗 KM2x4 螺钉固定散热器支架。
 
 ![install_heatsink_05](/img/x/x4/heatsink_for_x4_05.webp)
+
+## 资料下载
+
+- [3D 文件](https://dl.radxa.com/accessories/heatsink-for-x4/radxa_heatsink_for_x4_3d.zip)
diff --git a/i18n/en/docusaurus-plugin-content-docs/current/x/x4/accessories/heatsink-for-x4.md b/i18n/en/docusaurus-plugin-content-docs/current/x/x4/accessories/heatsink-for-x4.md
index cdcaaf781..43c3ed548 100644
--- a/i18n/en/docusaurus-plugin-content-docs/current/x/x4/accessories/heatsink-for-x4.md
+++ b/i18n/en/docusaurus-plugin-content-docs/current/x/x4/accessories/heatsink-for-x4.md
@@ -46,3 +46,7 @@ Before adhering the thermal silicone pad, please ensure to remove the protective
 - Finally, secure the heatsink bracket with 6 KM2x4 screws.
 
 ![install_heatsink_05](/img/x/x4/heatsink_for_x4_05.webp)
+
+## Downloads
+
+- [3D Drawings](https://dl.radxa.com/accessories/heatsink-for-x4/radxa_heatsink_for_x4_3d.zip)