diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index c659c42..bb52d0a 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -1,88 +1,104 @@
 /* Atelier KDE Printer Host for 3D Printing
     Copyright (C) <2016>
     Author: Lays Rodrigues - laysrodrigues@gmail.com
             Chris Rizzitello - rizzitello@kde.org
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include <QFileDialog>
 #include <KLocalizedString>
 #include <KStandardAction>
 #include <KActionCollection>
 #include <KXMLGUIFactory>
 #include <dialogs/connectsettingsdialog.h>
 #include <dialogs/profilesdialog.h>
 #include <memory>
 MainWindow::MainWindow(QWidget *parent) :
     KXmlGuiWindow(parent),
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
     setupActions();
 }
 
 MainWindow::~MainWindow()
 {
     delete ui;
 }
 
 void MainWindow::setupActions()
 {
     // Actions for the Toolbar
     QAction *action;
     action = actionCollection()->addAction(QStringLiteral("open_gcode"));
     action->setText(i18n("&Open GCode"));
     connect(action, &QAction::triggered, this, &MainWindow::openFile);
 
     action = actionCollection()->addAction(QStringLiteral("connect"));
     action->setText(i18n("&Connect"));
-    connect(action, &QAction::triggered, [ = ]{
+    connect(action, &QAction::triggered, [ & ]{
             std::unique_ptr<ConnectSettingsDialog> csd(new ConnectSettingsDialog);
-            connect(csd.get(), &ConnectSettingsDialog::startConnection, [ & ](QString port, QMap<QString, QVariant> data) {
+            connect(csd.get(), &ConnectSettingsDialog::startConnection, [ & ](const QString& port, const QMap<QString, QVariant>& data) {
+                newConnection(port, data);
             });
             csd->exec();
     });
 
     action = actionCollection()->addAction(QStringLiteral("profiles"));
     action->setText(i18n("&Profiles"));
     connect(action, &QAction::triggered, [ & ] {
         std::unique_ptr<ProfilesDialog> pd(new ProfilesDialog);
         pd->exec();
     });
 
     #ifdef Q_OS_LINUX
     //only set icons from theme on linux
         actionCollection()->action(QStringLiteral("profiles"))->setIcon(QIcon::fromTheme("emblem-favorite"));
     #endif
     //use style's standardIcon for the icons we can.
     actionCollection()->action(QStringLiteral("open_gcode"))->setIcon(style()->standardIcon(QStyle::SP_DirOpenIcon));
 
     action = KStandardAction::quit(qApp, SLOT(quit()), actionCollection());
 
     setupGUI(Default, ":/atelierui");
 }
 
 void MainWindow::openFile()
 {
     QUrl fileNameFromDialog = QFileDialog::getOpenFileUrl(this, i18n("Open GCode"),
                               QDir::homePath(), i18n("GCode (*.gco *.gcode)"));
     if (!fileNameFromDialog.isEmpty()) {
         m_fileName = fileNameFromDialog;
         ui->gcodeEditorWidget->loadFile(m_fileName);
         guiFactory()->addClient(ui->gcodeEditorWidget->gcodeView());
         ui->view3DWidget->drawModel(m_fileName.toString());
     }
 }
+
+void MainWindow::newConnection(const QString& port, const QMap<QString, QVariant>& profile)
+{
+    const int tabs = ui->tabWidget->count();
+    if(tabs == 1){
+        auto instance = qobject_cast<AtCoreInstanceWidget*>(ui->tabWidget->currentWidget());
+        if(!instance->connected()){
+            instance->startConnection(port, profile);
+            return;
+        }
+    }
+    auto newInstance = new AtCoreInstanceWidget();
+    ui->tabWidget->addTab(newInstance, QString::number(tabs+1));
+    newInstance->startConnection(port, profile);
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 1c1c7ad..ea77c71 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -1,45 +1,46 @@
 /* Atelier KDE Printer Host for 3D Printing
     Copyright (C) <2016>
     Author: Lays Rodrigues - laysrodrigues@gmail.com
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #pragma once
 
 #include <QMainWindow>
 #include <QUrl>
 #include <KXmlGui/KXmlGuiWindow>
 
 namespace Ui
 {
 class MainWindow;
 }
 
 class MainWindow : public KXmlGuiWindow
 {
     Q_OBJECT
 
 public:
     explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
 
 private:
     Ui::MainWindow *ui;
-    QUrl fileName;
+    QUrl m_fileName;
     void setupActions();
     void openFile();
+    void newConnection(const QString& port, const QMap<QString, QVariant>& profile);
 
 signals:
     void extruderCountChanged(int count);
 };