![]() With our setup, we can also use Constant Wattage and vary the feedrate to get shades of grey, or use TTL to pulse the laser with a dithered black and white image. We have successfully engraved on wood, artist canvas and mirrors with stunning results. ![]() This is just our hobby so time to produce them is irrelevant. Using a laser diode compared to a CO2 to do these engraving is a very slow process, but the results are very gratifying/rewarding for us. No special laser engraving software or program is required, but we prefer to use PicEngrave Pro 4 Plus Laser which have been written with specific enhancements for this process. We use Artsoft's Mach3 CNC controller program to run the gcodes. With our setup, we can just use a standard X,Y and Z g-code from any image to g-code rotary engraving type of program for this process. The driver we are using is drlava's Flexmod P3. ![]() What we have developed is a way to vary the laser diodes intensity by analog modulating the laser diode to get 8bit greyscale. There is no dithering a image first, no pulsing or overlapping dots to get the allusion of shades. I would like to introduce to everyone a new process me and my son developed to laser engrave 8bit shades of grey using a 1W 445nm laser diode on our CNC router. I'm new here and I hope this is the right place to post this.
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