diff --git a/python/PyQt6/core/auto_generated/geometry/qgsbox3d.sip.in b/python/PyQt6/core/auto_generated/geometry/qgsbox3d.sip.in
index f98092502f326..2b4886e4268f6 100644
--- a/python/PyQt6/core/auto_generated/geometry/qgsbox3d.sip.in
+++ b/python/PyQt6/core/auto_generated/geometry/qgsbox3d.sip.in
@@ -110,6 +110,13 @@ the normalization step will not be applied automatically.
     }
 %End
 
+    void set( double xMin, double yMin, double zMin, double xMax, double yMax, double zMax, bool normalize = true );
+%Docstring
+Sets the box from a set of (x,y,z) minimum and maximum coordinates.
+
+.. versionadded:: 3.40
+%End
+
     void setXMinimum( double x ) /HoldGIL/;
 %Docstring
 Sets the minimum ``x`` value.
diff --git a/python/core/auto_generated/geometry/qgsbox3d.sip.in b/python/core/auto_generated/geometry/qgsbox3d.sip.in
index f98092502f326..2b4886e4268f6 100644
--- a/python/core/auto_generated/geometry/qgsbox3d.sip.in
+++ b/python/core/auto_generated/geometry/qgsbox3d.sip.in
@@ -110,6 +110,13 @@ the normalization step will not be applied automatically.
     }
 %End
 
+    void set( double xMin, double yMin, double zMin, double xMax, double yMax, double zMax, bool normalize = true );
+%Docstring
+Sets the box from a set of (x,y,z) minimum and maximum coordinates.
+
+.. versionadded:: 3.40
+%End
+
     void setXMinimum( double x ) /HoldGIL/;
 %Docstring
 Sets the minimum ``x`` value.
diff --git a/src/core/geometry/qgsbox3d.h b/src/core/geometry/qgsbox3d.h
index a20191b5fccf7..374e5719cbc23 100644
--- a/src/core/geometry/qgsbox3d.h
+++ b/src/core/geometry/qgsbox3d.h
@@ -140,6 +140,22 @@ class CORE_EXPORT QgsBox3D
     % End
 #endif
 
+    /**
+     * Sets the box from a set of (x,y,z) minimum and maximum coordinates.
+     *
+     * \since QGIS 3.40
+     */
+    void set( double xMin, double yMin, double zMin, double xMax, double yMax, double zMax, bool normalize = true )
+    {
+      mBounds2d.set( xMin, yMin, xMax, yMax, false );
+      mZmin = zMin;
+      mZmax = zMax;
+      if ( normalize )
+      {
+        QgsBox3D::normalize();
+      }
+    }
+
     /**
      * Sets the minimum \a x value.
      * \see xMinimum()
diff --git a/tests/src/python/test_qgsbox3d.py b/tests/src/python/test_qgsbox3d.py
index c31716a8435b9..096ebf93bfba1 100644
--- a/tests/src/python/test_qgsbox3d.py
+++ b/tests/src/python/test_qgsbox3d.py
@@ -526,6 +526,39 @@ def test_corners(self):
                           QgsVector3D(11, 6, 15),
                           QgsVector3D(11, 13, 15)])
 
+    def test_set(self):
+        box1 = QgsBox3d(5.0, 6.0, 7.0, 11.0, 13.0, 15.0)
+        self.assertEqual(box1.xMinimum(), 5.0)
+        self.assertEqual(box1.yMinimum(), 6.0)
+        self.assertEqual(box1.zMinimum(), 7.0)
+        self.assertEqual(box1.xMaximum(), 11.0)
+        self.assertEqual(box1.yMaximum(), 13.0)
+        self.assertEqual(box1.zMaximum(), 15.0)
+
+        box1.set(23, 24, 25, 22, 42, 43, False)
+        self.assertEqual(box1.xMinimum(), 23.0)
+        self.assertEqual(box1.yMinimum(), 24.0)
+        self.assertEqual(box1.zMinimum(), 25.0)
+        self.assertEqual(box1.xMaximum(), 22.0)
+        self.assertEqual(box1.yMaximum(), 42.0)
+        self.assertEqual(box1.zMaximum(), 43.0)
+
+        box1.normalize()
+        self.assertEqual(box1.xMinimum(), 22.0)
+        self.assertEqual(box1.yMinimum(), 24.0)
+        self.assertEqual(box1.zMinimum(), 25.0)
+        self.assertEqual(box1.xMaximum(), 23.0)
+        self.assertEqual(box1.yMaximum(), 42.0)
+        self.assertEqual(box1.zMaximum(), 43.0)
+
+        box1.set(-5, -6, -7, 12, 13, 14)
+        self.assertEqual(box1.xMinimum(), -5.0)
+        self.assertEqual(box1.yMinimum(), -6.0)
+        self.assertEqual(box1.zMinimum(), -7.0)
+        self.assertEqual(box1.xMaximum(), 12.0)
+        self.assertEqual(box1.yMaximum(), 13.0)
+        self.assertEqual(box1.zMaximum(), 14.0)
+
 
 if __name__ == '__main__':
     unittest.main()