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You can also fashion your own jig by using a soft wood to carve out a pattern. In fact, almost any wood can be used to carve out a pattern, but the softer woods are easier to work with. Other substances suitable for making patterns are plastic, wax, soap and modeling clay. If you use wood for a pattern, sandpaper it smooth when finished and then varnish or shellac it to waterproof it. Fig. 85 shows some basic jig heads which can be followed when making a pattern. Figure 85. Basic jig head shapes. After you have the jig pattern you are ready to make the mold. For this you need a small container such as a cardboard box approximately 3 in. long, 2 in. wide and about 1 in. deep. If you can't obtain such a small box you can make one, using heavy cardboard or thin sections of wood. Cut out the four sides to form a box and place them on a flat surface such as metal or glass. Then anchor the box in place using scotch tape at the corners and sides. Modeling clay can also be used to hold the box sides to the metal or glass base. See Fig. 86. Figure 86. Making a box from wood or heavy cardboard.
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