Scallop Template Clear, durable Scallop Template makes perfect scallop designs fast and easy. Lets you draw up to 171 different sizes of scallops. The scallop width ranges from 3 to 20 in 1 increments. For each width, the height can be varied in 1/2 increments. The actual template size is 20 1/2 x 21 1/4 for easy handling. Template should be used on a worktable that pins can be pushed into. Concise instructions are printed on the template for quick reference. Detailed instructions explain how to draw more complicated shapes. Indispensable tool for planning valances, shades and cornices. With practice and creativity, you can create, duplicate and enlarge an endless number of designs.