if you don't feel comfortable working with heat/torch and power tools this might not be the best one for you.
Step 1: What you need
butane,propane,or mapp gas torch or a heat gun.
clamp to hold acrylic sheet while you drill it.
4 to 6 screws long enough to mount these to the wall
drill and bit that is smaller than the head of the screws you are going to mount it to the wall with.
piece of scrap wood to bend the heated acrylic around. should be ~1 inch wide or so.
you can use this same piece of scrap wood to clamp the acrylic to when you drill it.
Step 2: The acrylic
i got 4 pieces of .25 inch 4 inch wide 24 inch long for free.
if you need to cut your pieces you can score it with a awl or razor knife allot and then snap it.