diff --git a/_unittest/test_40_3dlayout_edb.py b/_unittest/test_40_3dlayout_edb.py
index 89c083d64d8..372c3cb0650 100644
--- a/_unittest/test_40_3dlayout_edb.py
+++ b/_unittest/test_40_3dlayout_edb.py
@@ -105,6 +105,7 @@ def test_02a_get_geometries(self):
         assert poly.top_edge_x == 2
         assert poly.top_edge_y == 3
         assert poly.placement_layer == "1_Top"
+        assert poly.obounding_box
         poly.placement_layer = "16_Bottom"
         assert poly.placement_layer == "16_Bottom"
         poly.placement_layer = "1_Top"
diff --git a/pyaedt/modeler/modelerpcb.py b/pyaedt/modeler/modelerpcb.py
index 0bd42b63b62..c5b00c754d3 100644
--- a/pyaedt/modeler/modelerpcb.py
+++ b/pyaedt/modeler/modelerpcb.py
@@ -185,16 +185,24 @@ def primitives(self):
         warn(mess, DeprecationWarning)
         return self._primitives
 
-    @property
-    def obounding_box(self):
-        """Bounding box.
+    @pyaedt_function_handler
+    def obounding_box(self, object_name):
+        """Bounding box of a specified object.
+
+        Returns
+        -------
+        list
+            List of [LLx, LLy, URx, URy] coordinates.
 
         References
         ----------
 
-        >>> oEditor.GetModelBoundingBox
+        >>> oEditor.GetBBox
         """
-        return self.oeditor.GetModelBoundingBox()
+        bb = self.oeditor.GetBBox(object_name)
+        pll = bb.BBoxLL()
+        pur = bb.BBoxUR()
+        return [pll.GetX(), pll.GetY(), pur.GetX(), pur.GetY()]
 
     @pyaedt_function_handler()
     def _arg_with_dim(self, value, units=None):
diff --git a/pyaedt/modeler/pcb/object3dlayout.py b/pyaedt/modeler/pcb/object3dlayout.py
index 5c9cdb70f41..b20a170d84e 100644
--- a/pyaedt/modeler/pcb/object3dlayout.py
+++ b/pyaedt/modeler/pcb/object3dlayout.py
@@ -856,6 +856,22 @@ def __init__(self, primitives, name, prim_type="poly", is_void=False):
         self.is_void = is_void
         self._name = name
 
+    @property
+    def obounding_box(self):
+        """Bounding box of a specified object.
+
+        Returns
+        -------
+        list
+            List of [LLx, LLy, URx, URy] coordinates.
+
+        References
+        ----------
+
+        >>> oEditor.GetBBox
+        """
+        return self._primitives.obounding_box(self.name)
+
     @property
     def name(self):
         """Name of Primitive."""
@@ -1458,14 +1474,18 @@ def length(self):
 
     @property
     def center_line(self):
-        """Get the center line points.
+        """Get the center line points and arc height.
 
         Returns
         -------
         dict
             Points.
         """
-        props = [i for i in list(self._oeditor.GetProperties("BaseElementTab", self.name)) if i.startswith("Pt")]
+        props = [
+            i
+            for i in list(self._oeditor.GetProperties("BaseElementTab", self.name))
+            if i.startswith("Pt") or i.startswith("ArcHeight")
+        ]
         self._center_line = {}
         for i in props:
             self._center_line[i] = [
@@ -1477,7 +1497,12 @@ def center_line(self):
     def center_line(self, points):
         u = self._primitives.model_units
         for point_name, value in points.items():
-            vpoint = ["NAME:{}".format(point_name), "X:=", _dim_arg(value[0], u), "Y:=", _dim_arg(value[1], u)]
+            if len(value) == 2:
+                vpoint = ["NAME:{}".format(point_name), "X:=", _dim_arg(value[0], u), "Y:=", _dim_arg(value[1], u)]
+            elif isinstance(value, list):
+                vpoint = ["NAME:{}".format(point_name), "Value:=", _dim_arg(value[0], u)]
+            else:
+                vpoint = ["NAME:{}".format(point_name), "Value:=", _dim_arg(value, u)]
             self.change_property(vpoint)
         self._center_line = {}
 
diff --git a/pyaedt/modeler/schematic.py b/pyaedt/modeler/schematic.py
index 0872d4914a5..d287d898648 100644
--- a/pyaedt/modeler/schematic.py
+++ b/pyaedt/modeler/schematic.py
@@ -79,16 +79,6 @@ def oeditor(self):
         >>> oEditor = oDesign.SetActiveEditor("SchematicEditor")"""
         return self._app.oeditor
 
-    @property
-    def obounding_box(self):
-        """Bounding box.
-
-        References
-        ----------
-
-        >>> oEditor.GetModelBoundingBox()"""
-        return self.oeditor.GetModelBoundingBox()
-
     @pyaedt_function_handler()
     def zoom_to_fit(self):
         """Zoom To Fit.