diff --git a/comfy_extras/nodes_mesh_postprocess.py b/comfy_extras/nodes_mesh_postprocess.py
index b084fd908..aef7a517b 100644
--- a/comfy_extras/nodes_mesh_postprocess.py
+++ b/comfy_extras/nodes_mesh_postprocess.py
@@ -2897,7 +2897,7 @@ class MeshSmoothNormals(IO.ComfyNode):
         return IO.Schema(
             node_id="MeshSmoothNormals",
             display_name="Smooth Mesh Normals",
-            category="3d",
+            category="3d/mesh",
             description=(
                 "Compute smooth per-vertex normals and attach them to the mesh. Meshes "
                 "without normals are shaded flat (per-face) by glTF viewers; this makes "
diff --git a/comfy_extras/nodes_save_3d.py b/comfy_extras/nodes_save_3d.py
index b0c93a757..9a882a098 100644
--- a/comfy_extras/nodes_save_3d.py
+++ b/comfy_extras/nodes_save_3d.py
@@ -647,7 +647,7 @@ class RotateMesh(IO.ComfyNode):
         return IO.Schema(
             node_id="RotateMesh",
             display_name="Rotate Mesh",
-            category="3d",
+            category="3d/mesh",
             description=(
                 "Rotate a mesh. Euler XYZ applies X then Y then Z about the world axes (degrees). "
                 "Quaternion is (w, x, y, z), auto-normalized."