Preparing the Image

The imaging capabilities of your laser system are largely dependent on the graphic design software you use. Image processing software like Photoshop and PhotoGraV can be used to improve marginal images and provide “virtual” test engravings which allow you to preview the final engraving.

Photoshop Elements allows you to perform many advanced image processing techniques, such as modifying an image by resizing, changing resolution, sharpening edges, adjusting brightness, contrast and sharpness levels, making shadow and highlight corrections, adding lighting and texture effects, dropping out backgrounds and more. Cost is about $100 U.S.

PhotoGraV is an image processing program that prepares images for laser engraving. It is very easy to use: simply scan or import the image as grayscale, open the image, choose the material type you will be engraving and select the auto processing button to see a simulation of the engraved image on the chosen material. You can then save the image, open it in CorelDRAW and print to your laser system. Cost is about $400 U.S.

Tip: PhotoGraV images must be saved at 250 dpi/8 bit grayscale at the exact size you are going to engrave.

Tip: Photoshop provides two tools that are especially useful for laser engraving: the Dodge and Burn tools. The Dodge tool selectively lightens the shadows, midtones and highlights of an image; the Burn tool darkens the same parts of an image.

Tip: If you have an expansive background of light color behind your subject (such as light blue sky), crop it out using Photoshop or other image editing software because it will engrave as a dark area.

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