diff --git a/CMakeLists.txt b/CMakeLists.txt
index 99798dd..42c5b49 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,7 @@ add_executable(OpenCAD
     src/MainWindow.cpp
     src/ViewportWidget.cpp
     src/ViewCube.cpp
+    resources.qrc
 )
 
 target_link_libraries(OpenCAD PRIVATE Qt6::Widgets Qt6::OpenGLWidgets)
diff --git a/icons/create-sketch.svg b/icons/create-sketch.svg
new file mode 100644
index 0000000..d0cdb57
--- /dev/null
+++ b/icons/create-sketch.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+    <path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path>
+</svg>
diff --git a/icons/extrude.svg b/icons/extrude.svg
new file mode 100644
index 0000000..7c9fcf6
--- /dev/null
+++ b/icons/extrude.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+    <path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"></path>
+    <polyline points="3.27 6.96 12 12.01 20.73 6.96"></polyline>
+    <line x1="12" y1="22.08" x2="12" y2="12"></line>
+</svg>
diff --git a/resources.qrc b/resources.qrc
new file mode 100644
index 0000000..e57cf6a
--- /dev/null
+++ b/resources.qrc
@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/">
+        <file>icons/create-sketch.svg</file>
+        <file>icons/extrude.svg</file>
+    </qresource>
+</RCC>
diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index adcc6fb..12e17d6 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -2,14 +2,56 @@
 #include "ViewportWidget.h"
 
 #include <QToolBar>
+#include <QTabWidget>
+#include <QWidget>
+#include <QHBoxLayout>
+#include <QToolButton>
+#include <QIcon>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
 {
     setWindowTitle("OpenCAD");
-    resize(800, 600);
+    resize(1280, 720);
 
-    QToolBar *toolBar = addToolBar("Tools");
+    QToolBar* mainToolBar = addToolBar("Main Toolbar");
+    mainToolBar->setMovable(false);
+    mainToolBar->setFloatable(false);
+    mainToolBar->setStyleSheet("QToolBar { border: 0px }");
+
+    QTabWidget *tabWidget = new QTabWidget();
+    mainToolBar->addWidget(tabWidget);
+
+    // --- SOLID Tab ---
+    QWidget *solidTab = new QWidget();
+    QHBoxLayout *solidLayout = new QHBoxLayout(solidTab);
+    solidLayout->setContentsMargins(5, 5, 5, 5);
+    solidLayout->setSpacing(5);
+    solidLayout->setAlignment(Qt::AlignLeft);
+
+    QToolButton *createSketchButton = new QToolButton();
+    createSketchButton->setText("Create Sketch");
+    createSketchButton->setIcon(QIcon(":/icons/create-sketch.svg"));
+    createSketchButton->setIconSize(QSize(48, 48));
+    createSketchButton->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+    solidLayout->addWidget(createSketchButton);
+
+    QToolButton *extrudeButton = new QToolButton();
+    extrudeButton->setText("Extrude");
+    extrudeButton->setIcon(QIcon(":/icons/extrude.svg"));
+    extrudeButton->setIconSize(QSize(48, 48));
+    extrudeButton->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+    solidLayout->addWidget(extrudeButton);
+
+    tabWidget->addTab(solidTab, "SOLID");
+
+    // --- SURFACE Tab ---
+    QWidget *surfaceTab = new QWidget();
+    tabWidget->addTab(surfaceTab, "SURFACE");
+
+    // --- TOOLS Tab ---
+    QWidget *toolsTab = new QWidget();
+    tabWidget->addTab(toolsTab, "TOOLS");
 
     ViewportWidget *viewport = new ViewportWidget;
     setCentralWidget(viewport);