diff --git a/pybricks/hubs.py b/pybricks/hubs.py
index 33759de..a883501 100644
--- a/pybricks/hubs.py
+++ b/pybricks/hubs.py
@@ -7,6 +7,7 @@ from ._common import (Speaker as _Speaker, Battery as _Battery,
                       LightMatrix as _LightMatrix, IMU as _IMU)
 from .media.ev3dev import Image as _Image
 from .parameters import Button as _Button
+from .geometry import Axis as _Axis
 
 
 class EV3Brick:
@@ -54,6 +55,22 @@ class TechnicHub:
     light = _ColorLight()
     imu = _IMU()
 
+    def __init__(self, top_side=_Axis.Z, front_side=_Axis.X):
+        """__init__(top_side=Axis.Z, front_side=Axis.X)
+
+        Initializes the hub. Optionally, specify how the hub is
+        :ref:`placed in your design <robotframe>` by saying in which
+        direction the top side (with the button) and front side
+        (with the light) are pointing.
+
+        Arguments:
+            top_side (Axis): The axis that passes through the *top side* of
+                the hub.
+            front_side (Axis): The axis that passes through the *front side* of
+                the hub.
+        """
+        pass
+
 
 class PrimeHub:
     """LEGO® SPIKE Prime Hub."""
@@ -72,6 +89,22 @@ class PrimeHub:
     speaker = _Speaker()
     imu = _IMU()
 
+    def __init__(self, top_side=_Axis.Z, front_side=_Axis.X):
+        """__init__(top_side=Axis.Z, front_side=Axis.X)
+
+        Initializes the hub. Optionally, specify how the hub is
+        :ref:`placed in your design <robotframe>` by saying in which
+        direction the top side (with the buttons) and front side (with the USB
+        port) are pointing.
+
+        Arguments:
+            top_side (Axis): The axis that passes through the *top side* of
+                the hub.
+            front_side (Axis): The axis that passes through the *front side* of
+                the hub.
+        """
+        pass
+
 
 class InventorHub(PrimeHub):
     """LEGO® MINDSTORMS Inventor Hub."""
diff --git a/pybricks/hubs.pyi b/pybricks/hubs.pyi
index 1f7a1ca..c7a4c67 100644
--- a/pybricks/hubs.pyi
+++ b/pybricks/hubs.pyi
@@ -3,6 +3,7 @@
 
 from ._common import Speaker, Battery, ColorLight, LightMatrix, Keypad
 from .media.ev3dev import Image
+from .geometry import Axis
 
 class EV3Brick:
     screen: Image
@@ -22,11 +23,13 @@ class CityHub:
 
 
 class TechnicHub:
+    def __init__(self, top_size: Axis, front_side: Axis): ...
     battery: Battery
     light: ColorLight
 
 
 class PrimeHub:
+    def __init__(self, top_size: Axis, front_side: Axis): ...
     battery: Battery
     light: ColorLight
     display: LightMatrix