How to Load 3D Models tutorial - The Explorer Engine

just add

private ModelLoader ml = new ModelLoader();

protected override void LoadModel()
{
    string mymodel = "model path"; // can only load XML, Object, and FBX model files.

    ml.start();
    ml.Draw(0, 0, mymodel); // xpos, ypos, model to load
    ml.end();

    base.LoadModel();
}