||FOR MULTIPLE PARTS, FOLLOW THESE STEPS:
Place the items you want to put in your Pelican case in a square or rectangular arrangement. Be sure to leave 1 to 4 inches of space between objects.
Take the measurements for the LENGTH, WIDTH, AND DEPTH of the arrangement you've just created. Add 1 inch minimum on all sides for padding. Round up to the nearest inch.
21" LENGTH x 13" WIDTH x 7" DEPTH