Here's what you need:
1 x Speedy Case Outside (1-2 Disc)
1 x Speedy Case Inside
Cut them so they look like this...
Fold all flaps in and put creases in the left and right sides of the spine. (See "Cutting, Folding & Gluing Basics"
Lay "inside 1" and "2" in the case to see if you need to trim the top or bottom of the inside pieces.
(Don't worry about the left or right sides yet.)
Now glue "inside 1" to the back of "outside front". Since this side will not have the disc in it, make sure to put glue on
not only the flaps but in the middle of the paper.
When you are lining up the right edge of "inside 1", make sure it is a little to the left of the spine, or else your case
won't fold properly. Also, a little bit of "inside 1" may hang over the left edge - don't worry, you can trim this off when
the glue dries.
Now glue "inside 2" to the back of "outside back", putting glue on the flaps only. Make sure that the flap of "inside 2"
is beneath the flaps of "outside back", and the right edge of "inside 2" should be just to the right of the spine. If any
of "inside 2" is hanging over the right edge of "outside back", don't worry, you can trim it when the glue dries.
Lay it flat (not folded) on a clean, smooth surface (like a table or desk) and set a stack of books on top of it and leave
it for a number of hours (I usually leave them overnight). Don't forget to trim the left and right inside edges when it's
Congratulations! You made a 1-Disc Gatefold Jacket!