title: How to export Unity particles as static 3D Mesh or 3D Image
body: <p>I have some particle system that draws their trails emissive circuits trees : </p>
  
  <p><a href="https://i.stack.imgur.com/LHZmk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LHZmk.png" alt="screenshot of scene"></a></p>
  
  <p>Actualy, I made a script that "pauses" their simulation, however, I would like to turn them into a mesh or 3D image (maybe an inverted cubemap shader ?).</p>
  
  <p>Anyone knows how I could achieve that?</p>