This gallery should cover all aspects of different stencils like:

1. Stencils for Engineering or Technical drawing
2. Stencils for the Alphabet
3. Stencils for Numbers
4. Stencils for Mathematics
5. Stencil graffiti
6. Burmester stencils (Curve rulers)

Various

Stencil graffiti

See also Stencil graffiti