Gina K. Designs - Tool - Wreath Builder Template - Mega. Make Huge Wreaths with the new Mega Wreath Builder Templates! These templates are sized from 7 1/2" down to 4 1/2" and include circle templates to add shading to the center of a wreath or for highlighting other images. These templates are perfect for home decor, scrapbooking and larger format cards. Make of a washable plastic, these templates fit inside a large stamp positioning platform.