You can use the spray primer of your choice as as long it is made to be used on metal.
How to make spray art out of sheet metal.
The acidity of the vinegar will further abrade the metal.
Apply light pressure and go over your piece with quick random brush strokes.
You could pour some of the vinegar into a spray bottle and spray your metal objects instead.
Apply spray paint to the sheet metal.
Let the vinegar air dry and then choose.
You can also use your metal art as a stencil to recreate the image.
Find a dark surface to create the image on.
Make sure to make your decision accordingly to the type or genre of the artwork and pick your sheets according to that.
Ihope u will enjoy and fin.
Namely one can use copper and bronze for more traditional or classical metal art.
Generally speaking the best spray paint for metal is hard wearing enamel.
Others might use aluminum for a more modern artwork and some might use rusted or patina ed sheet metal for a more western or rustic artwork.
For best results keep the can parallel to the sheet metal surface and spray in a back and forth motion over the surface.
Let your metal objects sit in the vinegar for as little or as long as you want then drain the vinegar from the container.
For this specific horseshoe i let it sit in the vinegar for about 5 minutes before i emptied the vinegar from the container.
Its oil base makes it somewhat slow to dry but it stands up to cleaning and use well.
Once you ve roughened the surface wipe the sheet metal with white vinegar and a soft clean cloth.
This method will naturally create some places where the paint adheres better to the metal and other places where it barely touches it.
Don t work paint into the grooves of the piece.
Using a primer is necessary to ensure that the final paint job is smooth and even.
Hold the metal stencil over it and spray with a light color spray paint.
Many enamel paints are rustproof too.
Hold the primer 6 to 8 15 to 20 cm inches away from the surface and spray.
Paint your metal piece.