help please

im working on a undergraduate project that is diffraction through a prism,im having difficulty in creating glass or transparent effect for the prism…please can some one help me to create transparent effect…if i use this functions


prism will get disappeared…so can some help regarding this

  1. Read this:
  2. If you still can’t figure it out, go and ask, using a relevant title (try “Transparent effect help”) on the beginner forum.