Prepare the final graphic by removing all but the final drawings and legends. Hole markings are not needed for every control or LED, but some should be included to align the label to the pre-drilled enclosure.
Print the label on high quality glossy photo paper using your ink-jet printer's highest resolution setting. After printing, compare the component placement and overall size of the label with the enclosure and clear layer to confirm that the label dimensions are correct.
The next step will seal the printed label's front and back surfaces to protect it from fading and warping. Move to a dust-free environment where the fumes from the spray coating won't be a problem for pets or people.
Select a clear gloss spray that is non-yellowing and that will provide some UV resistance to keep the front panel looking fresh for a long time. The spray coating will also keep moisture from warping and decaying the label's photo paper foundation. The gloss finish provides a smoother and more uniform layer than a matte finish and looks better when sandwiched under the clear polycarbonate/acrylic layer.
It's time to drill and machine the enclosure and the clear polycarbonate/acrylic layers for the sandwich. Power tools will soon make an appearance.