A stencil has a physical body. Depending on several factors, it could be paper-thin or heavy as a board. Stencils are often used to create intermediate steps that help make marks on other surfaces. You can also create signage with stencils. Signs with cut-out letters are easy to make quickly. They look good, too.
One of the best ways to make a stencil is with a laser-cutter. In his experiments with laser-cutting, Luc(as) modified letter shapes for type size and material thickness. How small can you go before the bridges burn?