Save the processed image, which is usually exported as a binary BMP or TIFF file. Import this file into your laser software (e.g., LightBurn). : Ensure your laser software does not apply its own dithering or grayscale processing to the file, as PhotoGrav has already completed this calculation. Set your image mode to "Pass-Through" or "Threshold." Troubleshooting Common Issues
Only via Bootcamp (Windows 7) or a virtual machine. There was never a native Mac version of 3.1.
PhotoGraV 3.1 is the latest version of the industry-standard software designed specifically for preparing photographs for laser engraving. By automating complex image processing steps, it allows laser operators to achieve high-quality results on a variety of materials without requiring expert-level photo editing skills. Chapter 3 - PhotoGrav Application - Documentation & Help
You don’t need to be a Photoshop expert to get great results. PhotoGrav handles the complex image processing automatically. How to Get the PhotoGrav 3.1 Download
Once downloaded and installed, follow this optimized sequence to process your first photo: Step 1: Image Preparation Photograv 3.1 Download
PhotoGraV is commercial software and is typically provided as a digital download following a purchase from an authorized distributor.
What do you use to run your machine (e.g., LightBurn, RDWorks)? What materials do you engrave most frequently?
Using PhotoGrav 3.1 simplifies the production pipeline down to four basic steps:
Windows 7, 8, 10, or 11 (32-bit and 64-bit versions). Processor: Intel Pentium 4 or higher / AMD equivalent. Save the processed image, which is usually exported
The software includes pre-programmed settings for over 20 common engraving materials. This eliminates the trial-and-error process typically required when working with different mediums. Supported materials include: Cherry, maple, oak, and walnut.
Even reliable software has its moments. Here’s how to handle common issues:
Strangely, the imperfections of 3.1 have become desirable. The newer versions produce perfectly smooth, clinical gradients. But engravers noticed something: the old 3.1's noisy, chaotic dithering hid the grain of cheap wood. It added a texture that felt "handmade." The bug became the feature.
| Feature | Photograv 3.1 | Photograv 4+ | | :--- | :--- | :--- | | | Windows XP / 7 only | Windows 10 / 11 & Mac via emulation | | Laser Profiles | CO2, YAG, Diode | Includes Fiber Laser & UV Laser profiles | | DPI Pre-sets | Manual entry | Smart DPI scaling for 300-1200 DPI | | Batch Processing | No | Yes (process 100 photos at once) | | Pricing | Discontinued (Perpetual) | Subscription ($299/year or $30/month) | Set your image mode to "Pass-Through" or "Threshold
The most reliable place to obtain PhotoGrav 3.1 is through authorised distributors. The software is typically bundled with laser engraving machines—such as those from —or can be purchased directly from the official website:
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Retailers like Boss Laser and Laserply also offer the software, sometimes bundled with a USB backup or specific laser machine packages. Key Features of Version 3.1
: Acrylic (cast and extruded), rowmark, and two-tone laminates.
: Converts standard formats like JPEG, PNG, TIFF, and BMP into a binary (black and white dot) format that laser systems can interpret.