title: How to get thumbnail for 3D Model programmatically
body: <p>My problem is about <code>3D Model files</code>. In my project, I want to thumbnail of uploaded 3D model files in system. Background of system is PHP. Is there a library / way about subject?</p>
  
  <p>E.g formats: <code>.obj</code>, <code>.stl</code>, <code>.gcode</code></p>