Wipe the top and the sides of the desk clean with a tack cloth to remove any dust from sanding.
Measure the top and sides of the desk. Transfer the measurements to the back of the iron-on veneer and cut out the pieces with a utility knife.
Position the side pieces on the desk and iron them into place. Cut away any veneer that hangs over the top or bottom edges, using the utility knife.
Position the top piece and iron it onto the plywood. Cut away any overhanging veneer with the utility knife.
Wipe the top and sides of the desk clean with a tack cloth to remove any dust from sanding.
Apply primer to the top and sides of the desk with a paint sponge or roller. Let the primer dry completely before applying your paint.
Cover the desk with two layers of paint. High gloss paint is ideal for a smooth plywood surface and will seal the wood. If you prefer less shine, use a semigloss or flat paint, but follow up with two coats of varnish to seal the wood.