Always crease your folds well. A good crease makes construction easier and the container better looking.
The first 3 steps are making a cushion/blintz base. If you know this, go to step 4. Otherwise, crease your paper corner to corner.
Bring the corner into the center.
Repeat with remaining corners.
Now we're going to make a basic square base. If you know this, skips to step 9. Flip your paper over.
Fold your square in half..
Then fold it in half again.
Open up one side for a squash fold.
Bring the bottom tip up to the top and flatten.
Repeat on the other side.
Bring the bottom tip up to the top and crease, but bring the bottom back down.
Open the side up for another squash fold.
Bring the bottom up.
Flatten and crease. The repeat on the other side.
Bring the left and right sides together. Repeat on the other side.
You should now have this.
Fold the sides to the center.
Fold the tip down and crease well.
Stand your container up.
Pull the tips and flatten out the inside.
It should look like this.
Now fill it with something awesome and enjoy.