diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -77,7 +77,6 @@
             event->ignore();
         }
     }
-    disconnect(m_gcodeEditor, &GCodeEditorWidget::updateClientFactory, this, &MainWindow::updateClientFactory);
 }
 
 void MainWindow::dragEnterEvent(QDragEnterEvent *event)
@@ -213,12 +212,20 @@
 
     m_gcodeEditor = new GCodeEditorWidget(this);
     connect(m_gcodeEditor, &GCodeEditorWidget::updateClientFactory, this, &MainWindow::updateClientFactory);
+
     connect(m_gcodeEditor, &GCodeEditorWidget::fileClosed, [this](const QUrl & file) {
         m_openFiles.removeAll(file);
     });
 
     auto *viewer3D = new Viewer3D(this);
     connect(viewer3D, &Viewer3D::droppedUrls, this, &MainWindow::processDropEvent);
+
+    connect(m_gcodeEditor, &GCodeEditorWidget::currentFileChanged, [this, viewer3D](const QUrl & url) {
+        qDebug() << viewer3D->currentFile() << url.toString() << m_openFiles;
+        if (m_openFiles.contains(url) || !viewer3D->currentFile().isEmpty()) {
+            viewer3D->drawModel(url.toString());
+        }
+    });
     setupButton("3d", i18n("&3D"), QIcon::fromTheme("draw-cuboid", QIcon(QString(":/%1/3d").arg(m_theme))), viewer3D);
     setupButton("gcode", i18n("&GCode"), QIcon::fromTheme("accessories-text-editor", QIcon(":/icon/edit")), m_gcodeEditor);
     setupButton("video", i18n("&Video"), QIcon::fromTheme("camera-web", QIcon(":/icon/video")), new VideoMonitorWidget(this));
diff --git a/src/widgets/3dview/viewer3d.h b/src/widgets/3dview/viewer3d.h
--- a/src/widgets/3dview/viewer3d.h
+++ b/src/widgets/3dview/viewer3d.h
@@ -39,11 +39,13 @@
     explicit Viewer3D(QWidget *parent = nullptr);
     ~Viewer3D() override;
     void drawModel(QString file);
+    QString currentFile();
 
 private:
     LineMesh *_lineMesh;
     QQmlApplicationEngine _engine;
     QQuickView *_view;
+    QString _file;
 
 signals:
     void droppedUrls(QList<QUrl> fileList);
diff --git a/src/widgets/3dview/viewer3d.cpp b/src/widgets/3dview/viewer3d.cpp
--- a/src/widgets/3dview/viewer3d.cpp
+++ b/src/widgets/3dview/viewer3d.cpp
@@ -35,12 +35,13 @@
 Viewer3D::Viewer3D(QWidget *parent) :
     QWidget(parent)
     , _lineMesh(new LineMesh)
+    , _file()
 {
     Q_INIT_RESOURCE(viewer3d);
 
     QDirIterator it(QStringLiteral(":"), QDirIterator::Subdirectories);
     while (it.hasNext()) {
-        qDebug() << it.next();
+        it.next();
     }
 
     qmlRegisterType<GridMesh>("GridMesh", 1, 0, "GridMesh");
@@ -69,6 +70,16 @@
 void Viewer3D::drawModel(QString file)
 {
     QObject *object = _view->rootObject();
-    QObject *fileName = object->findChild<QObject *>(QStringLiteral("fileName"));
-    fileName->setProperty("text", QVariant(file));
+    _file = file;
+    if (!file.isEmpty()) {
+        QObject *fileName = object->findChild<QObject *>(QStringLiteral("fileName"));
+        fileName->setProperty("text", QVariant(file));
+    } else {
+        qDebug() << "Clear the View";
+    }
+}
+
+QString Viewer3D::currentFile()
+{
+    return _file;
 }
diff --git a/src/widgets/gcodeeditorwidget.h b/src/widgets/gcodeeditorwidget.h
--- a/src/widgets/gcodeeditorwidget.h
+++ b/src/widgets/gcodeeditorwidget.h
@@ -48,5 +48,6 @@
 
 signals:
     void updateClientFactory(KTextEditor::View *view);
+    void currentFileChanged(const QUrl &file);
     void fileClosed(const QUrl &file);
 };
diff --git a/src/widgets/gcodeeditorwidget.cpp b/src/widgets/gcodeeditorwidget.cpp
--- a/src/widgets/gcodeeditorwidget.cpp
+++ b/src/widgets/gcodeeditorwidget.cpp
@@ -99,8 +99,10 @@
 void GCodeEditorWidget::currentIndexChanged(int index)
 {
     if (index != -1) {
+        emit currentFileChanged(urlTab.key(m_tabwidget->widget(index)));
         emit updateClientFactory(qobject_cast<KTextEditor::View *>(m_tabwidget->currentWidget()));
     } else {
         emit(updateClientFactory(nullptr));
+        emit currentFileChanged(QUrl());
     }
 }