March 24


Working with warped or twisted materials can be a challenge for CO2 laser users. Whether you're dealing with curled leatherette or a warped piece of Baltic Birch, it's essential to ensure a flat surface for optimal engraving results. This article will guide you through a simple and effective technique to deal with warped materials using LightBurn software and provide you with tips for getting the best results from your laser engraving projects.

The Importance of Flat Surfaces

A flat surface is crucial for achieving consistent and high-quality results in laser engraving. When working with warped or twisted materials, the laser's focus can be affected, leading to uneven engraving, missed areas, or other issues. By addressing these challenges, you can produce professional-quality work, even with imperfect materials.

Using LightBurn to Address Warped Materials

LightBurn software offers a range of tools and features designed to simplify the laser engraving process. One such feature is the arrange section, which can be utilized to deal with warped materials. This process involves securing the material with magnets, aligning the design in LightBurn, and locating blank areas for magnet placement to ensure a flat surface.

Step-by-Step Guide to Dealing with Warped Materials

  1. Secure the perimeter: Start by placing your warped material, such as leatherette or Baltic Birch, in the middle of your laser bed. Secure the edges using magnets or hold-down pins to keep the material in place.
  2. Align the design: Open LightBurn and load your design. Drive your laser head to the upper left-hand corner of the material, aligning the red light with the corner. Move the laser head back and forth to ensure the material is square with the gantry.
  3. Generate circles: Create circles in LightBurn, matching the size of your magnets. Place these circles in open areas within your design, ensuring they won't interfere with the engraving process.
  4. Move the laser to the selection center: Select a circle and navigate to the 'Arrange' section in LightBurn. Choose 'Move Laser to Selection' and then 'Move Laser to Selection Center.' The laser head will move to the center of the circle.
  5. Place the magnets: With the laser head centered over the circle, place a magnet directly under the red light. Repeat this process for each circle, securing the middle areas of the material and ensuring a flat surface.
  6. Start the engraving process: Once all the magnets are placed, and the material is flat, you're ready to begin engraving.


By using the arrange tools in LightBurn and strategically placing magnets or hold-down pins, you can effectively deal with warped or twisted materials in your CO2 laser projects. This technique ensures a flat surface for optimal engraving results, allowing you to produce professional-quality work even with imperfect materials.


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