title: How to a precreated prefab convert to transparent object in Unity?
body: <p>I installed a 3d model from internet. I add it to unity scene.But I try to convert transparent model. To do it, I create a material and change A channel(RGBA) in inspector panel.</p>
  
  <p>By the way, I generate a transparent material. I drag it to model gameobject. Now, the model is transparent but it doesn't include rgb datas.</p>
  
  <p>How to a model convert to transparent model with rgb datas?</p>