diff --git a/examples/graphs/3d/widgetgraphgallery/surfacegraphmodifier.cpp b/examples/graphs/3d/widgetgraphgallery/surfacegraphmodifier.cpp
index 496fb2f2..def44123 100644
--- a/examples/graphs/3d/widgetgraphgallery/surfacegraphmodifier.cpp
+++ b/examples/graphs/3d/widgetgraphgallery/surfacegraphmodifier.cpp
@@ -499,7 +499,7 @@ void SurfaceGraphModifier::toggleItemOne(bool show)
         //! [11]
         auto *item = new QCustom3DItem(":/data/oilrig.mesh",
                                        positionOne,
-                                       QVector3D(0.025f, 0.025f, 0.025f),
+                                       QVector3D(0.0125f, 0.0125f, 0.0125f),
                                        QQuaternion::fromAxisAndAngle(0.f, 1.f, 0.f, 45.f),
                                        color);
         //! [11]
@@ -508,7 +508,7 @@ void SurfaceGraphModifier::toggleItemOne(bool show)
         //! [12]
         item = new QCustom3DItem(":/data/pipe.mesh",
                                  positionOnePipe,
-                                 QVector3D(0.005f, 0.5f, 0.005f),
+                                 QVector3D(0.0025f, 0.25f, 0.0025f),
                                  QQuaternion(),
                                  color);
         item->setShadowCasting(false);
@@ -542,13 +542,13 @@ void SurfaceGraphModifier::toggleItemTwo(bool show)
         auto *item = new QCustom3DItem();
         item->setMeshFile(":/data/oilrig.mesh");
         item->setPosition(positionTwo);
-        item->setScaling(QVector3D(0.025f, 0.025f, 0.025f));
+        item->setScaling(QVector3D(0.0125f, 0.0125f, 0.0125f));
         item->setRotation(QQuaternion::fromAxisAndAngle(0.f, 1.f, 0.f, 25.f));
         item->setTextureImage(color);
         m_graph->addCustomItem(item);
         item = new QCustom3DItem(":/data/pipe.mesh",
                                  positionTwoPipe,
-                                 QVector3D(0.005f, 0.5f, 0.005f),
+                                 QVector3D(0.0025f, 0.25f, 0.0025f),
                                  QQuaternion(),
                                  color);
         item->setShadowCasting(false);
@@ -577,7 +577,7 @@ void SurfaceGraphModifier::toggleItemThree(bool show)
         auto *item = new QCustom3DItem();
         item->setMeshFile(":/data/refinery.mesh");
         item->setPosition(positionThree);
-        item->setScaling(QVector3D(0.04f, 0.04f, 0.04f));
+        item->setScaling(QVector3D(0.02f, 0.02f, 0.02f));
         item->setRotation(QQuaternion::fromAxisAndAngle(0.f, 1.f, 0.f, 75.f));
         item->setTextureImage(color);
         m_graph->addCustomItem(item);