How to Choose the Right Laser Engraver for Your Classroom

Laser engraving has become one of the most dynamic, hands-on tools available in modern education. From middle school maker labs to advanced high school CTE programs and college-level design courses, laser cutters open the door to real-world skills and student-driven creativity. But if you’re an educator, tech lead, or curriculum developer just getting started, you’re likely facing a big question: How do you choose the right laser engraver for your classroom?

With so many laser types, sizes, and technical specifications, the process can feel overwhelming. Fortunately, once you understand a few basics about how lasers work—and how they vary in material compatibility, power, and classroom safety—the decision becomes a lot more manageable.

This guide breaks down the key types of laser systems you’ll encounter, explains why CO₂ lasers are the most versatile option for educational settings, and gives you specific machine recommendations for classrooms of all sizes and budgets.

Laser Types: What’s the Difference Between Diode, CO₂, and Fiber?

Laser engravers and cutters are categorized into three main types based on the kind of laser source they use: diode, CO₂, and fiber. Each has its own advantages and limitations, and the best choice depends heavily on what kinds of projects your students will create.

Diode Lasers

Diode lasers are popular among hobbyists due to their affordability and compact size. They use low-power laser diodes, typically in the 5-20W range, and are capable of engraving wood, leather, and cardboard.

Conclusion: Great for hobbyist tinkering, but not powerful or versatile enough for a robust educational setting.

Fiber Lasers

Fiber lasers operate on a completely different principle and are specifically engineered for marking and engraving metal. They’re precise, extremely fast, and capable of detailed etching on items like stainless steel tools, jewelry, or electronics. However, fiber lasers cannot engrave or cut organic materials like wood, paper, or acrylic—making them less useful for general classroom makerspace projects. 

Conclusion: Excellent for metal engraving, but too limited in scope to serve as your primary classroom laser.

CO₂ Lasers

CO₂ lasers are the gold standard for schools, labs, and maker programs. They use a carbon dioxide gas mixture to generate laser beams powerful enough to cut and engrave a wide range of materials, including:

• Wood

• Acrylic

• Leather

• Paper

• Fabric

• Glass

• Rubber

• More

CO₂ machines come in a variety of sizes and power levels, and many models are designed with enclosures, exhaust systems, and classroom-safe features. 

Conclusion: The most versatile and classroom-appropriate option, supporting dozens of project types and material explorations.

Projects by OMTech Users

What to Consider When Choosing a CO₂ Laser for Your Classroom

Once you’ve decided on a CO₂ laser, the next step is evaluating your classroom needs. Here are the key factors to keep in mind when selecting the right machine:

1. Machine Size and Workspace Compatibility

Classroom space is often at a premium, so be realistic about how much room you have for a laser unit. Smaller desktop CO₂ lasers can sit on a cart or lab bench, while larger machines may require dedicated floor space. Consider whether you want the machine to be stationary or portable, especially if your class schedule rotates between classrooms.

2. Power (Wattage)

Laser power, measured in watts, determines how fast and how deeply your machine can cut or engrave. For simple tasks like cutting paper or engraving light wood, a 40–60W machine is typically sufficient. However, if you want to handle thicker materials or speed up project turnaround times, 80–130W machines offer more capability.

3. Safety Features

For school settings, safety is non-negotiable. Look for fully enclosed designs with viewing windows made from laser-safe materials. Features like emergency stop buttons, air assist systems, and proper exhaust ventilation should all be part of your selection criteria.

4. Ease of Use and Software Support

Your laser machine should work seamlessly with student-friendly design software like LightBurn. Additional features such as autofocus, touchscreen controls, and easy material alignment can also help streamline the learning curve.

5. Support and Reliability

Consider the level of technical support available, especially for school IT and facilities teams. U.S.-based support, detailed documentation, and access to replacement parts are essential when troubleshooting or maintaining your system.

Recommended OMTech CO₂ Laser Engravers for Classrooms

OMTech offers a wide range of machines that meet the needs of educational institutions—from introductory-level machines to high-powered systems designed for advanced programs.

OMTech Polar Lite – For Compact Classrooms

A safe, enclosed, and beginner-friendly machine ideal for small spaces and tight budgets.

Specifications:

• 55W CO₂ laser
  

• 20" × 12" working area
  

• Built-in water chiller and exhaust fan
  

• Air assist included
  

• Enclosed desktop design
  

• Compatible with LightBurn
  

• Dimensions: 41.1 × 22.2 × 11.0 in. 

Why It’s Great for Classrooms:

The Polar Lite is perfect for rolling carts, mobile labs, or classrooms with limited space. It’s compact, affordable, and ready to run out of the box.

OMTech Maker AF2028-80 90W – For Versatile School Projects

A workhorse machine with a larger bed and more power for intermediate to advanced fabrication.

Specifications:

• 90W CO₂ laser
  

• 20” × 28” working area
  

• Autofocus featured
  

• 600 mm/s max engraving speed
  

• Compatible with LightBurn
  

• Dimensions: 57.1 x 34.3 x 36.6 in.

Why It’s Great for Classrooms:

Balances professional-level power with a manageable footprint, making it ideal for general education, STEAM programs, or CTE labs.

OMTech Pronto 60 130W – For High-Volume Makerspaces

A top-tier machine for schools with heavy usage, advanced design curricula, or multi-class integration.

Specifications:

• 130W CO₂ laser
  

• 35” × 51” working area
  

• 1000 mm/s max engraving speed
  

• Autofocus and air assist
  

• Enclosed with strong ventilation
  

• Dimensions: 74.8 x 55.9 x 40.2 in.
  
  

Why It’s Great for Classrooms:

This powerhouse can handle nearly any classroom project—from large signage to batch production—and is built for durability, speed, and safety.

Expand Your Capabilities with OMTech Solis Duo (Fiber + Diode)

If you want to introduce metal engraving alongside your CO₂ workflow, the OMTech Solis Duo offers a unique 2-in-1 system for schools.

Specifications:

• 20W, 30W, or 50W Fiber Laser (for metals)
  

• 20W or 40W Diode Laser (for wood, plastic, etc.)
  

• 10” × 10” engraving area
  

• Fully-enclosed cabinet with safety viewing window
  

• 10,000 mm/s max engraving speed
  

• Built-in autofocus feature
  

Why It’s Great for Classrooms:

This dual-laser system gives schools the ability to engrave everything from steel tumblers to wooden badges—all in one compact, enclosed machine.

Final Thoughts: A Tool That Fuels Creative Learning

Laser cutters and engravers bring an extraordinary level of engagement, exploration, and entrepreneurship into today’s classrooms. Whether your students are learning design thinking, digital fabrication, or small business skills, laser tools offer meaningful, tangible outcomes that prepare them for future careers.

OMTech’s line of machines—especially the Polar Lite, Maker AF2028-80, Pronto 60, and Solis Duo—offers a range of options built for safety, ease of use, and classroom performance. Each machine brings students one step closer to turning their ideas into reality.

Explore OMTech’s full range of classroom-ready laser machines today!