How to Make Lightbox Materials
First, you’ll need to cut your nylon fabric. You’ll need a rotary cutter or a pair of scissors, depending on the type. You’ll need a square large enough to cover the openings and small enough to leave space for tape. It’s helpful to make a pencil mark on the fabric before cutting it, since you won’t be able to tell if the corners are perfectly square when you’re in the middle of it.
If you don’t have these materials, a cardboard box may be just what you need. If possible, get one with one side cut off. Cardboard boxes usually open on one side. Laura Murray shoots into her lightbox from the side, so she recommends cutting off the opposite side so that the backside is on the inside. Once you’re done cutting the side, you’ll have a sturdy backside for your lightbox.
You can find lightbox materials in a variety of sizes and shapes. You can seal them in transparent plastic squares or bottles, or use colored bath oil beads. You can also purchase lightbox kits through APH. These kits contain a number of materials to help your students learn about contrast and match-up skills. These kits typically include a few translucent shapes and a few pictured objects, as well as stencils and cutouts.
Depending on your desired effect, you can cover your lightbox window with fabric or parchment paper. It is important to use a matte material, as shiny material will reflect the light and make your lightbox ineffective. Then, attach your cardboard to the upper edge of your window. Make sure to do this on both sides of the window. If you plan to use more than one window, you can cut the cardboard to fit your needs. You can also attach a white tissue paper to one side of the cardboard and cover it with the other.