Yoga has various old and new symbols. Some of these designs come in stencils or templates ready and available for use. Sanskrit lettering has been a popular stencil used in yoga.
The Yoga Om Sign and Yoga Nature Sun and Lotus Symbol for Stenciling
The yoga symbol Om is a beautiful design in itself. The Sanskrit Om symbol is not a copyrighted figure so it may be copied from other sites such as Cafepress.com . The yoga flower symbol of a lotus flower is also prevalent on mats, business cards and tattoos. Below are some aditional links.