diff --git a/src/paramak/assemblies/assembly.py b/src/paramak/assemblies/assembly.py
index 3d215929..9c7528e0 100644
--- a/src/paramak/assemblies/assembly.py
+++ b/src/paramak/assemblies/assembly.py
@@ -35,3 +35,21 @@ def names(self):
         for part in self:
             names.append(part[1].split('/')[-1])
         return names
+
+    def bounding_box(self):
+        # Iterate through the remaining parts and update the bounding box coordinates
+        for i, part in enumerate(self):
+            if i == 0:
+                first_part_bbox = part[0].BoundingBox()
+                bbox_min = cq.Vector(first_part_bbox.xmin, first_part_bbox.ymin, first_part_bbox.zmin)
+                bbox_max = cq.Vector(first_part_bbox.xmax, first_part_bbox.ymax, first_part_bbox.zmax)
+            else:
+                part_bbox = part[0].BoundingBox()
+                bbox_min.x = min(bbox_min.x, part_bbox.xmin)
+                bbox_min.y = min(bbox_min.y, part_bbox.ymin)
+                bbox_min.z = min(bbox_min.z, part_bbox.zmin)
+                bbox_max.x = max(bbox_max.x, part_bbox.xmax)
+                bbox_max.y = max(bbox_max.y, part_bbox.ymax)
+                bbox_max.z = max(bbox_max.z, part_bbox.zmax)
+
+        return (bbox_min.x, bbox_min.y, bbox_min.z), (bbox_max.x, bbox_max.y, bbox_max.z)