Things You'll Need
Piece of tin
Adding one ingredient from your kitchen cupboard while painting a homemade sign can give it a rusty look. To create a faux rusty tin sign, sprinkle some cinnamon on the areas that you want to look weathered.
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Paint the surface of the piece of tin with a base coat of craft paint, which will serve as the background color of your rusty sign.
Sprinkle a little dried cinnamon over the background area while the paint is still wet to create the look of rust. Allow the paint to dry completely.
Create the message on the sign. Use stencils, trace a design with a pencil or freehand the wording for your sign.
Paint the message on the tin sign with a brush. Use a craft paint that will contrast with the background color you chose in Step 1. For example, many signs have red words on a white background.
Sprinkle cinnamon over the sign's message before the paint dries if you want to add rust spots to this area.
Drill a hole in each of the upper corners to string a wire and hang from a wall or beam.