stormtrooperguy: #1: Cut off the raised lip at the back of the thigh
stormtrooperguy: #1a: Note that you have to cut off a lot
stormtrooperguy: #2: Use paper to map out your shim
stormtrooperguy: #3: Make sure the top and bottom edges seem OK
stormtrooperguy: #4: The hard part!
stormtrooperguy: #5: Test fit again
stormtrooperguy: #6: Glue the "cover strip" down the back of the shim
stormtrooperguy: #7: Glue in the shim