Qt Quick 3D - Robot Arm Example

 // Copyright (C) 2022 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

 /*
  * This file is automatically generated by Qt Design Studio.
  * Do not change.
 */

 #include <QGuiApplication>
 #include <QQmlApplicationEngine>

 #include "app_environment.h"
 #include "import_qml_plugins.h"

 int main(int argc, char *argv[])
 {
     set_qt_environment();

     QGuiApplication app(argc, argv);

     QQmlApplicationEngine engine;
     const QUrl url(u"qrc:Main/main.qml"_qs);
     QObject::connect(
             &engine,
             &QQmlApplicationEngine::objectCreated,
             &app,
             [url](QObject *obj, const QUrl &objUrl) {
                 if (!obj && url == objUrl)
                     QCoreApplication::exit(-1);
             },
             Qt::QueuedConnection);

     engine.addImportPath(QCoreApplication::applicationDirPath() + "/qml");
     engine.addImportPath(":/");

     engine.load(url);

     if (engine.rootObjects().isEmpty()) {
         return -1;
     }

     return app.exec();
 }