diff --git a/entities/common.py b/entities/common.py
index a9f75ad..b2c9911 100644
--- a/entities/common.py
+++ b/entities/common.py
@@ -130,6 +130,10 @@ def __init__(self, x: float, y: float, z: float):
         self.y = y
         self.z = z
 
+    @staticmethod
+    def zero() -> 'Position3D':
+        return Position3D(0.0, 0.0, 0.0)
+
     def __str__(self) -> str:
         return '(3d_position {} {} {})'.format(format_float(self.x), format_float(self.y), format_float(self.z))
 
@@ -145,6 +149,10 @@ def __init__(self, x: float, y: float, z: float):
         self.y = y
         self.z = z
 
+    @staticmethod
+    def zero() -> 'Rotation3D':
+        return Rotation3D(0.0, 0.0, 0.0)
+
     def __str__(self) -> str:
         return '(3d_rotation {} {} {})'.format(format_float(self.x), format_float(self.y), format_float(self.z))
 
diff --git a/generate_capacitor_radial_tht.py b/generate_capacitor_radial_tht.py
index 9dea7f7..d5f64f3 100644
--- a/generate_capacitor_radial_tht.py
+++ b/generate_capacitor_radial_tht.py
@@ -131,8 +131,8 @@ def _generate_fill_polygon(identifier: str, layer: str) -> Polygon:
             uuid=_fpt_uuid('footprint'),
             name=Name(name),
             description=Description(''),
-            position_3d=Position3D(0.0, 0.0, 0.0),
-            rotation_3d=Rotation3D(0.0, 0.0, 0.0),
+            position_3d=Position3D.zero(),
+            rotation_3d=Rotation3D.zero(),
         )
         pad_hole_path = [Vertex(Position(0.0, 0.0), Angle(0.0))]
         uuid_plus = _pkg_uuid('pad-plus')
diff --git a/generate_chip.py b/generate_chip.py
index d01f184..d2aef43 100644
--- a/generate_chip.py
+++ b/generate_chip.py
@@ -308,8 +308,8 @@ def add_footprint_variant(
                 uuid=uuid_footprint,
                 name=Name(name),
                 description=Description(''),
-                position_3d=Position3D(0.0, 0.0, 0.0),
-                rotation_3d=Rotation3D(0.0, 0.0, 0.0),
+                position_3d=Position3D.zero(),
+                rotation_3d=Rotation3D.zero(),
             )
             package.add_footprint(footprint)
 
diff --git a/generate_dip.py b/generate_dip.py
index 007efd0..e510cae 100644
--- a/generate_dip.py
+++ b/generate_dip.py
@@ -323,8 +323,8 @@ def add_footprint_variant(key: str, name: str, pad_size: Tuple[float, float]) ->
                 uuid_footprint,
                 Name(name),
                 Description(''),
-                Position3D(0, 0, 0),
-                Rotation3D(0, 0, 0),
+                Position3D.zero(),
+                Rotation3D.zero(),
             )
             package.add_footprint(footprint)
 
diff --git a/generate_do.py b/generate_do.py
index 761ac6e..d80f7c7 100644
--- a/generate_do.py
+++ b/generate_do.py
@@ -186,8 +186,8 @@ def _add_footprint(
             uuid=_uuid(uuid_ns + 'footprint'),
             name=name,
             description=Description(''),
-            position_3d=Position3D(0.0, 0.0, 0.0),
-            rotation_3d=Rotation3D(0.0, 0.0, 0.0),
+            position_3d=Position3D.zero(),
+            rotation_3d=Rotation3D.zero(),
         )
         package.add_footprint(footprint)
 
diff --git a/generate_idc.py b/generate_idc.py
index e6b10e2..3e7be05 100644
--- a/generate_idc.py
+++ b/generate_idc.py
@@ -208,8 +208,8 @@ def _uuid(identifier: str) -> str:
         uuid=uuid_footprint,
         name=Name('default'),
         description=Description(''),
-        position_3d=Position3D(0.0, 0.0, 0.0),
-        rotation_3d=Rotation3D(0.0, 0.0, 0.0),
+        position_3d=Position3D.zero(),
+        rotation_3d=Rotation3D.zero(),
     )
     package.add_footprint(footprint)
 
diff --git a/generate_led.py b/generate_led.py
index b2f3886..699d9ae 100644
--- a/generate_led.py
+++ b/generate_led.py
@@ -154,8 +154,8 @@ def _add_footprint(
                 uuid=_uuid('footprint' + identifier_suffix),
                 name=name,
                 description=Description(''),
-                position_3d=Position3D(0.0, 0.0, 0.0),
-                rotation_3d=Rotation3D(0.0, 0.0, 0.0),
+                position_3d=Position3D.zero(),
+                rotation_3d=Rotation3D.zero(),
             )
             package.add_footprint(footprint)