diff --git a/modeling-cmds/openapi/api.json b/modeling-cmds/openapi/api.json
index 68f0deb3..bc9f5bb2 100644
--- a/modeling-cmds/openapi/api.json
+++ b/modeling-cmds/openapi/api.json
@@ -6646,6 +6646,30 @@
               "type"
             ]
           },
+          {
+            "description": "Get the smallest box that could contain the given parts.",
+            "type": "object",
+            "properties": {
+              "entity_ids": {
+                "description": "IDs of the entities to be included in the box. If this is empty, then all entities are included (the entire scene).",
+                "type": "array",
+                "items": {
+                  "type": "string",
+                  "format": "uuid"
+                }
+              },
+              "type": {
+                "type": "string",
+                "enum": [
+                  "bounding_box"
+                ]
+              }
+            },
+            "required": [
+              "entity_ids",
+              "type"
+            ]
+          },
           {
             "description": "Offset a surface by a given distance.",
             "type": "object",
diff --git a/modeling-cmds/src/def_enum.rs b/modeling-cmds/src/def_enum.rs
index 7191053b..5d3ce44d 100644
--- a/modeling-cmds/src/def_enum.rs
+++ b/modeling-cmds/src/def_enum.rs
@@ -2433,6 +2433,19 @@ define_modeling_cmd_enum! {
             pub selected_at_window: Point2d,
         }
 
+        /// Get the smallest box that could contain the given parts.
+        #[derive(Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema, ModelingCmdVariant, Builder)]
+        #[cfg_attr(feature = "ts-rs", derive(ts_rs::TS))]
+        #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
+        #[cfg_attr(feature = "ts-rs", ts(export_to = "ModelingCmd.ts"))]
+        #[cfg_attr(not(feature = "unstable_exhaustive"), non_exhaustive)]
+        pub struct BoundingBox {
+            /// IDs of the entities to be included in the box.
+            /// If this is empty, then all entities are included (the entire scene).
+            #[builder(default)]
+            pub entity_ids: Vec<Uuid>,
+        }
+
         ///Offset a surface by a given distance.
         #[derive(Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema, ModelingCmdVariant, Builder)]
         #[cfg_attr(feature = "ts-rs", derive(ts_rs::TS))]
diff --git a/modeling-cmds/src/ok_response.rs b/modeling-cmds/src/ok_response.rs
index a25965ad..33c753b0 100644
--- a/modeling-cmds/src/ok_response.rs
+++ b/modeling-cmds/src/ok_response.rs
@@ -1242,6 +1242,16 @@ define_ok_modeling_cmd_response_enum! {
             pub region: Option<crate::shared::SelectedRegion>,
         }
 
+        /// The response from the 'BoundingBox'.
+        #[derive(Debug, Serialize, Deserialize, Clone, JsonSchema, ModelingCmdOutput)]
+        #[cfg_attr(not(feature = "unstable_exhaustive"), non_exhaustive)]
+        pub struct BoundingBox {
+            /// Center of the box.
+            pub center: Point3d<f64>,
+            /// Dimensions of the box along each axis.
+            pub dimensions: Point3d<f64>,
+        }
+
         /// The response from the 'OffsetSurface'.
         #[derive(Debug, Serialize, Deserialize, Clone, JsonSchema, ModelingCmdOutput)]
         pub struct OffsetSurface {