If your downloaded art library has thick black outlines, don't just scan them. Go to Tools > Offset Fill . This creates a "hatch" pattern inside the lines that burns solid black without burning through the wood.
If you want to skip the "digital clutter" phase of Elias's story, here is how you can set up the best art library experience: Enable the Window : It’s hidden by default! Go to the menu and check Art Library to make it appear in your workspace. Download Curated Packs : LightBurn offers several themed Art Libraries to help you get started with high-quality, pre-made assets. Build Your Own