title: Helix 3D Toolkit - An object reference is required for the non-static field
body: <p>I'm trying to load a 3d model into WPF's 3d view using </p>
  
  <pre><code>Model3DGroup groupLoad = HelixToolkit.Wpf.ModelImporter.Load("C:\\Users\\x\\Desktop\\sc.3ds");
  </code></pre>
  
  <p>Yet it throws me</p>
  
  <pre><code>An object reference is required for the non-static field, method, or property 'HelixToolkit.Wpf.ModelImporter.Load(string)'
  </code></pre>
  
  <p>any idea what could be wrong?</p>
  
  <p>Thanks</p>