Diode lasers can cut thin sheets of wood, acrylic, leather, cardboard, and paper, but they generally cannot cut metals or thick materials.

Wood and Wood-Based Materials

Diode lasers are effective for cutting solid wood, plywood, MDF, and wood veneers, typically up to 1/8 inch thick unless your machine supports thicker cuts . They work well for Baltic birch, PatternPly®, and other MDF-core plywoods, making them ideal for hobbyist woodworking and small craft projects .

Acrylic and Plastics

Diode lasers can cut opaque, colored acrylics more efficiently than clear acrylic, as the blue/violet wavelength (445–455nm) is absorbed better by darker materials . Recommended thickness is usually 3–5mm, and multiple passes may be required for thicker sheets. Avoid PVC and vinyl, as they release toxic fumes that can damage the machine and pose health risks .

Leather, Paper, and Cardboard

Thin leather, cardboard, paper, and carton are compatible with diode lasers. These materials cut cleanly when the laser is properly focused and the speed and power settings are optimized . They are commonly used for engraving and small-scale cutting projects.

Materials to Avoid

Diode lasers cannot cut bare metals and struggle with clear acrylic because the beam passes through without being absorbed . Highly reflective surfaces can also reflect the beam and damage the laser module. Thick materials beyond the recommended limits will require multiple passes and may produce poor-quality cuts .

Tips for Best Results

• Use air assist to remove smoke and debris for cleaner cuts .
• Focus the laser carefully, adjusting the height of the laser head for optimal cutting.
• Start with test cuts to determine the best power, speed, and number of passes for each material.
• Work in a well-ventilated area to avoid inhaling fumes from plastics or treated woods . Diode lasers are ideal for hobbyists and small business makers who primarily work with wood, leather, and craft materials, offering affordability and precision for thin materials, but they are not suitable for high-speed production or metal cutting .