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Laser engraving uses a focused laser beam to remove material from surfaces such as wood, acrylic, leather, glass, and metal, creating permanent marks, designs, and textures. Unlike traditional mechanical engraving, laser engraving is contactless, which means cleaner lines, finer details, and no tool wear. Most laser machines today offer both engraving and cutting capabilities, with adjustments in power and speed depending on your material and design.
Power: Look for a machine with adjustable power output. Beginners often benefit from 40 to 60 watts in CO₂ lasers to handle a wide variety of materials. Power affects how deep the laser cuts or engraves — too little won’t mark well, too much can damage delicate materials.
Speed: Speed controls how fast the laser head moves over your workpiece. Slower speeds increase engraving depth and detail but take longer. A machine with flexible speed settings lets you fine-tune for each material and design complexity.
Resolution (DPI): Resolution impacts engraving detail, especially in photos and shaded images. Higher DPI means sharper, finer engraving but slower processing times. For basic text or logos, lower DPI is sufficient and faster.
For the best beginner laser engraver, CO₂ machines provide the greatest flexibility and ease of use. Fiber lasers serve professionals focused on metalwork and high-volume production.
Match your typical project size, small (12×8 in) for jewelry and small crafts, medium (24×18 in) for signs and trophies, or large (48×36 in+) for batch production and large-format cutting.
For beginners, a 40 to 60 watt CO₂ laser is ideal for cutting and engraving a wide range of materials. Fiber lasers usually range 20 to 50 watts for metal marking.
Choose machines compatible with popular laser software like LightBurn or RDWorks, which support vector and raster file formats (SVG, DXF, AI, JPG, PNG).
Look for interlocks, emergency stops, and exhaust ports or filtration systems to manage fumes safely.
Choose machines compatible with popular laser software like LightBurn or EZCAD2, which support vector and raster file formats such as SVG, DXF, AI, JPG, and PNG. At SA Laser, our SPARK Laser Training provides expert instruction on both fiber and co2 laser operation and software use, including detailed lessons on LightBurn. This course is designed to build your confidence and skillset from the ground up, helping you achieve great results with your laser machine.
Before you start engraving, your artwork needs to be properly prepared. Laser machines follow exact paths and tones in your design, so getting the setup right is key to clean, accurate results.
Vector files (like SVG or DXF) are made of lines and shapes, perfect for cutting and scoring. Use thin lines (0.001″ stroke) to signal cut lines, and color-code layers — for example, red for cutting and blue for engraving.
Raster files (like JPG or PNG) are best for photos or detailed shading. Convert your image to grayscale, adjust contrast, and apply a dithering method like Jarvis or Floyd–Steinberg to get smoother tones.
Use alignment boxes or marks to position your artwork accurately on irregular items like tumblers or wood slabs.
Reverse engraving (where the background is engraved and the design is left untouched) can make text or logos stand out on darker materials.
For detailed raster engraving, stick to 250–300 DPI for clear image reproduction.
Always match your file’s dimensions to your machine’s bed size to avoid off-center jobs.
LightBurn is a great program for managing both vector and raster layers. It lets you assign different power and speed settings to each color-coded section for full control over your design.
Regular cleaning of lenses and mirrors with isopropyl alcohol ensures consistent beam quality. Lubricate machine rails and bearings every 20 to 30 hours of use. Always ventilate fumes outdoors or use filtration systems, and never leave a running laser unattended.
At SA Laser, we provide not just machines but a complete solution including expert training, comprehensive support, and community resources. Our turnkey laser systems come with two-year warranties, personalized Spark Training classes, and lifetime access to our online community where you can connect with top engravers nationwide.
Whether you’re buying your first laser engraver or scaling your business, SA Laser delivers quality machines, trusted expertise, and unmatched customer care.
When investing in a laser engraving machine, it’s easy to be dazzled by exciting features, projected speed, or even just a low price. But beneath the surface, the real value in a laser machine lies in the quality of the components hidden inside. In this post, we’re taking you behind the scenes of your laser machine to understand what parts matter most, and why choosing reliable components is essential to protecting your investment.
Buying a laser isn’t just about the upfront cost. It’s a long-term investment, and you deserve the confidence that comes with knowing your machine is both reliable and built to last. Unfortunately, not all machines are of the same quality. Some manufacturers cut corners by using refurbished parts, knock-offs, or whatever happens to be lying around in their warehouse. This can lead to performance issues, cause damage to important components, and even shorten the lifespan of your laser machine. Let’s take a closer look at what’s inside a fiber laser system and why quality matters at every step.
Controller Cards: Manufacturers like JCZ make around 16,000 cards a year, yet over 45,000 fiber lasers are sold annually claiming to use JCZ. That math doesn’t add up. Many are knock-offs.
Laser Sources: Easily branded and sold as premium, even when they’re subpar or refurbished.
Power Supplies: Poor-quality units frequently fail within months—an issue we see reported often in user forums.
Lenses: Cheaply made lenses can cause ghosting or back reflection, ruining detailed work.
Small Parts: Components like switches and emergency stops may seem minor, but when they fail, they can stop production—or worse, compromise safety.
Without these critical checks, even machines with name-brand parts can fail when it matters most. Before you buy, always ask about the supplier’s quality control process; it’s one of the most important factors protecting your investment.
With SA Laser, you can trust that quality has been built in from the start.
A reputable laser supplier will perform multiple rounds of hardware and software testing before shipment. This includes: 1) load testing all power supplies under maximum current, 2) ensuring the firmware matches the controller card, 3) aligning the laser source with the galvo head to prevent beam distortion, and 4) verifying that all external safety switches function properly.
Machines without these checks are more likely to fail, even if they technically have “name-brand” parts. Ask your supplier what kind of pre-shipping inspection they perform—it’s a vital part of the purchasing process.
When shopping for a laser engraving machine, it’s important to ask about more than just the specs. You should ask specific questions about the components and the quality control process. A high-quality laser system begins with the right questions:
What’s the difference between a fiber laser and a CO₂ laser engraver?
Are the controller cards from a verified supplier like JCZ? Are the lenses made by a reputable brand like Opex?
Is the power supply industrial-grade and reliable?
Are the emergency stop and key switch safety features OSHA-compliant?
What software is compatible — LightBurn, EZCAD, RDWorks?
Asking these key questions before buying your laser engraver can save you thousands in costly repairs and protect your professional reputation.
Founded in 2012 by laser professionals who understood exactly what features matter most, SA Laser has always been fueled by a passion for innovative excellence. As a veteran-owned business, discipline, integrity, and accountability are built into our DNA. We operate with a mission mindset: clear goals, high standards, and a relentless focus on service. When you partner with SA Laser, you’re backed by a team that shows up with purpose every single day. Rooted in service, driven by innovation, and focused on your success — that’s the SA Laser standard.
Unlike other manufacturers, SA Laser offers an incredible 5-day hands-on, in-person training program. From fiber and CO₂ laser calibration to advanced software proficiency, our Spark™ training ensures operators gain real confidence and mastery. Furthermore, our strong after-sales support puts a dedicated team behind you long after your purchase. Whether you’re growing your business or just getting started, we’re here to support you every step of the way.
We maintain a 3-to-1 student-to-teacher ratio to ensure every participant receives personal attention and hands-on guidance. The training covers everything from surface prep and machine operation to graphic design principles, marketing strategies, and engraving techniques for flat and cylindrical materials.
Beyond the classroom, you’ll have continued access to a supportive community and expert guidance. You’ll have access to refresher videos, a private customer forum, and responsive U.S.-based support whenever you need help. From setup to scaling your business, we’re here to make sure you succeed.
Our systems are engineered for those who need reliable, high-performance results. Every system comes fully equipped with essential features like ventilation, active cooling, and durable 3-axis motorized rotary options, which are typically reserved for more expensive models. We also offer a variety of advanced features to further enhance your system’s capabilities.
Our Edge Series fiber lasers delivers precision and reliability for engraving everything from tools and firearms to jewelry and business cards. It creates crisp, permanent marks on metals and select plastics, with multiple wattage options to suit your workflow.
The Razor Series is built for serious speed, offering 4X faster performance than traditional systems and making cutting and engraving simple whether you’re a beginner or a pro.
The Blade Light CO₂ laser is a compact solution for tight workspaces, ideal for smaller projects without sacrificing performance.
And with the Saber Laser Welder, you get a fast, efficient, and versatile machine that brings serious power to any shop.
With SA Laser, you get a fully-loaded, industrial-grade system that’s ready to perform right out of the box. We provide the tools, training, and support to ensure your success, no matter your business needs.
At SA Laser, we’re not just selling machines; we’re building lasting partnerships. From personalized consultations and expert advice to hands-on guidance throughout your journey, we’re committed to your growth. After the sale, we continue to support you with regular check-ins, refresher resources, and ongoing education, ensuring you’re equipped to excel. Our customers are at the heart of everything we do, and we’re proud to grow alongside you every step of the way.
At SA Laser, quality is a promise we make to our customers and honor for a lifetime. Our commitment to excellence begins the moment you trust us with your vision, and it continues for as long as you need us. Whether it’s about ensuring every machine leaves our facility in flawless condition or driving across state lines to support a customer in need, we’re dedicated to keeping our promise.
Quality isn’t just a benchmark—it’s a mindset that shapes our entire culture. That belief starts at the top with our CEO, Steven Ratliff, who’s long stood by the idea that excellence should be evident in every detail, every action, and every relationship.
Every product that leaves our facility is personally and carefully packaged to ensure it meets our high quality standards, and we uphold that standard throughout the entire shipping process. Excellence isn’t just about getting it right—it’s about how we respond when things go wrong.
When one of our clients in Ohio received a machine that had been damaged during transit, we didn’t just file a claim and wish them luck. Instead, we loaded a brand new unit into an enclosed trailer and hit the road ourselves. Two of our team members even stayed the weekend to assist with delayed engraving projects.
That level of service isn’t the exception at SA Laser—it’s the rule we govern ourselves by.
Our customers don’t just buy a product; they buy confidence. Confidence that their investment will perform flawlessly from day one. Confidence that our support won’t end after delivery. And confidence that they’re working with a company that actually cares. At SA Laser, we believe real partnerships are built on trust, accountability, and going the extra mile—literally. That’s why we treat every order like it’s our only one, and every customer like they’re part of the team.
If you’re looking for more than just a machine—if you want a partner who’s just as invested in your success as you are—then you’ve come to the right place. Let’s build something incredible together.
Laser engraving metal is a powerful way to add detail, precision, and durability to a wide range of products. From jewelry and firearms to industrial parts and custom gifts, engraving metal with a laser can produce high-quality results that stand out. In this guide, we’ll walk you through the steps of how to laser engrave metal effectively, using tips from the experts at SA Lasers.
Laser engraving is ideal for marking metal surfaces with intricate designs, logos, serial numbers, and text. It offers a precision unmatched by traditional engraving methods. Plus, laser engraving doesn’t involve direct contact with the material, so there’s no wear and tear on the machine or need for consumable parts.
There are two main types of lasers commonly used in metal engraving: Fiber lasers and CO2 lasers. Both types have their strengths, depending on the project.
Fiber Lasers: Fiber lasers are best suited for metal engraving as they produce a small, precise beam ideal for marking metals. They are effective on stainless steel, aluminum, brass, copper, and other metals. SA Lasers’ Polymetal 30-watt Fiber Laser is an excellent choice for high-precision metal engraving.
CO2 Lasers: CO2 lasers are more versatile but are generally not the first choice for metals unless the surface is coated. For engraving non-metal materials like wood or acrylic, SA Lasers’ Razor Series CO2 Laser performs exceptionally well.
Here’s a step-by-step guide to laser engraving metal:
Not all metals are the same. Consider the properties of the material you are working with. Fiber lasers, for example, perform exceptionally well on metals like stainless steel, aluminum, and brass, providing deep, clear engravings. Make sure your laser engraver is equipped to handle the specific metal.
For the best engraving results, ensure the metal surface is clean and free from any dust or oils. Use a soft cloth and a mild cleaner to remove impurities. This step is essential for achieving consistent and high-quality engravings.
Using your preferred design software, import your graphic or text. SA Lasers’ SPARK training curriculum guides clients on preparing designs for engraving, including vectorizing and adjusting for optimal clarity.
Finding the right settings for power, speed, and frequency is critical in laser engraving metal. These settings determine how deep and dark the engraving will be. Fiber lasers, like SA Lasers’ Polymetal 30-watt, often require lower speeds and higher power for deeper marks on harder metals.
Before starting your full engraving, do a test run on a scrap piece of metal. Proper focus ensures that the laser beam hits the metal at the right angle, achieving the sharpest possible engraving. Adjust the focal distance until you reach the desired clarity.
Once your settings are optimized, you’re ready to engrave. With your fiber laser in position, start the engraving process. Monitor the engraving to ensure consistent quality and depth.
Choose a Quality Machine: For professional results, use a reliable, high-precision machine like SA Lasers’ Polymetal 30-watt fiber laser, which is specifically designed for metal engraving.
Experiment with Depth: Different applications call for varying engraving depths. A lighter mark may be suitable for aesthetics, while a deeper engraving is necessary for industrial marking.
Consider Adding a Protective Coating: After engraving, you may want to add a clear protective coating to enhance durability, particularly if the engraved item will be exposed to the elements.
Follow Safety Protocols: Metal engraving generates fumes and particles. Ensure you are in a well-ventilated area and wear protective eyewear as needed.
Laser engraving on metal has applications across various industries:
SA Lasers is a leader in high-quality laser engravers and provides unparalleled support and training. Our fiber and CO2 lasers are built for precision, reliability, and durability, helping professionals achieve exceptional results. With our SPARK training curriculum, you’ll receive in-depth guidance on how to operate your laser and maximize its potential.
SA Lasers stands behind each machine with comprehensive support, ensuring that you can confidently tackle any engraving project.
Whether you’re a professional engraver or a business looking to enhance your product offerings, SA Lasers has the perfect machine and training for your needs. Visit salasers.com to explore our laser engraving solutions and learn more about how we can help you excel in laser engraving metal.
For more information, contact SA Lasers and take the first step toward mastering metal engraving today!
When venturing into the world of laser engraving, one of the most critical decisions you’ll make is choosing the right laser engraving machine. Whether you’re starting a business, expanding your current operations, or diving into a new hobby, selecting the best machine for your needs can significantly impact your success. This guide will help you navigate the process and make an informed decision. With the keyword “how to choose a laser engraving machine” optimized for Google and AI-based search engines, this blog will cover everything you need to know.
The right laser engraving machine can be a game-changer. It affects not only the quality of your work but also your efficiency, the range of materials you can work with, and ultimately, your bottom line. Making the wrong choice can lead to frustration, wasted resources, and even business failure.
When choosing a laser engraving machine, consider the following key factors to ensure that you select the right one for your needs.
There are several types of laser engraving machines on the market, each suited for different applications. The three main types are:
Not all laser engraving machines work on all materials. Before making a decision, consider the types of materials you plan to engrave. Here’s a quick breakdown:
If you need versatility and plan to work with a wide range of materials, a CO2 laser may be the best choice. However, if your focus is on metals, a fiber laser will be more suitable.
Laser engraving machines come in various power levels, typically measured in watts. The power of the machine determines how quickly and deeply it can engrave materials. Here’s how to choose based on power:
Speed is also an important factor. Faster machines can increase your productivity, especially if you’re running a business. However, speed often correlates with cost, so balance your needs with your budget.
The size of the engraving area is another crucial factor. It determines the maximum size of the material you can work with. Laser engraving machines come in various sizes:
Laser engraving machines require software to create and manage designs. The ease of use and compatibility of the software with your computer system can greatly impact your workflow. Some machines come with proprietary software, while others are compatible with popular design programs like Adobe Illustrator, CorelDRAW, or AutoCAD.
Consider the following:
Maintenance is a necessary part of owning a laser engraving machine. Regular maintenance ensures the longevity and performance of your machine. When choosing a laser engraver, consider:
Budget is always a key factor when choosing a laser engraving machine. Prices can range from a few hundred dollars for entry-level machines to tens of thousands for industrial-grade models. Here’s how to approach your budget:
Remember to account for additional costs, such as software, maintenance, and accessories, when planning your budget.
Before making a final decision, do your homework. Read online reviews, watch video tutorials, and join forums or social media groups related to laser engraving. Ask for recommendations from industry professionals or others who have experience with laser engraving machines. Real-world feedback can provide valuable insights that you won’t find in product descriptions.
Choosing the right laser engraving machine involves careful consideration of your needs, budget, and the type of work you plan to do. By understanding the different types of machines, materials, power requirements, and other key factors, you’ll be better equipped to make a decision that supports your goals.
Whether you’re a hobbyist or a business owner, the perfect laser engraving machine is out there. Follow the steps in this guide, and you’ll be well on your way to creating stunning, precise engravings that impress your customers and bring your creative visions to life.
If you’re looking to tap into the booming world of custom products, learning how to start a laser engraving business is a smart move. With the right approach, laser engraving can be a profitable venture, catering to a wide range of industries from personalized gifts to industrial marking. In this guide, we’ll walk you through every step of starting your own laser engraving business, from equipment choices to marketing strategies.
The laser engraving industry has experienced significant growth over the past few years, driven by the demand for personalized products and high-precision marking. Here are some compelling reasons to start a laser engraving business:
Before diving into any business, it’s essential to understand the market. Conduct thorough research on your local and online competition. Identify what products and services are in demand. Common niches include:
Defining a niche will help you focus your efforts, target the right audience, and establish your brand identity.
The heart of your laser engraving business is the laser engraver itself. There are several types of laser engravers, each with its advantages:
When choosing your equipment, consider factors such as your niche, the materials you plan to work with, and your budget. Don’t forget to account for additional tools, such as air filtration systems and software for designing your engravings.
Your workspace is crucial for productivity and safety. Whether you’re working from home or renting a space, ensure you have:
Organize your workspace to maximize efficiency. Create designated areas for design, production, packaging, and storage.
Before you start offering services, take the time to learn and perfect your craft. Many laser engravers come with their own software, but you might want to invest in professional design software like Adobe Illustrator, CorelDRAW, or AutoCAD. These programs offer more advanced features and can help you create intricate designs that stand out.
Experiment with different materials and techniques. Practice makes perfect, and the more skilled you become, the more satisfied your customers will be.
Your brand is more than just a logo or a name—it’s the story and values that connect with your customers. Start by choosing a memorable business name, designing a professional logo, and creating a strong online presence.
A well-thought-out business plan is essential for guiding your growth. Include details like:
Your marketing strategy is key to attracting customers and growing your business. Here are some effective tactics to consider:
The quality of your work and the level of customer service you provide will determine your reputation in the market. Pay attention to detail, meet deadlines, and always strive to exceed customer expectations. Positive reviews and word-of-mouth referrals can be your most powerful marketing tools.
Once you’ve established a steady stream of customers, consider scaling your business. This could involve investing in more advanced equipment, expanding your product line, or hiring additional staff. Keep an eye on industry trends and continuously innovate to stay ahead of the competition.
Starting a laser engraving business isn’t without its challenges. Here are some common obstacles and how to overcome them:
Starting a laser engraving business can be a rewarding and profitable venture if you approach it with the right mindset and strategy. By investing in quality equipment, mastering your craft, and building a strong brand, you’ll be well on your way to success. Remember, the key to thriving in this industry is continuous learning, innovation, and customer satisfaction.
Ready to start your laser engraving business? Follow the steps in this guide, and you’ll be equipped with the knowledge and tools to carve out your niche in this exciting industry.
The path to mastering laser engraving doesn’t need to be riddled with obstacles. At SA Laser, we understand newcomers’ frustrations and hurdles when trying to “figure it out.” Therefore, we emphasize proper training to ensure you start on the right foot. Our industry-leading five-day hands-on training program, offered in beautiful San Antonio, by the friendliest professionals in the business, provides a strong foundation for your engraving skills. But our support doesn’t end with training. We provide a 24/7 support network comprising over 900 of the world’s most successful engravers, ensuring you have the help you need when you need it.
The CO2 laser engraving machine can be used for cutting wood of any kind, especially plywood and medium-density fiberboard (MDF).
Cutting and engraving on paper-based materials is also an area of CO2 laser cutter application. You can cut cardboard boxes and make decorations on paper and cardboard.
Access to 24/7 technical support from your CO2 laser trainee is of the utmost importance. The CO2 laser engraving machine is a complicated technology; not everyone knows the appropriate maintenance and fixing measures.
Opting for a CO2 laser trainee in the USA or anywhere close to you would be best. For US-based engravers, San Antonio Laser is one of the best laser companies in the country, offering intensive training to enable you to kickstart your business as soon as your training ends.
The CO2 laser engraving machine can cut plastic, cardboard, or wooden displays. You can also use it to personalize belongings such as gadgets, pieces of jewelry, wine bottles, etc.
People have different reasons for buying a laser engraving machine and undergoing training to familiarize themselves with its usage. Some are into or about to start the laser engraving business, while others are much more interested in getting a hobby engraving machine for use at home.
Whichever one it is, San Antonio Laser vends different kinds of engraving machines, with training prices inclusive. You can purchase a laser without the training or pay for the training without buying a laser. Still, it is advisable to opt for the training with SA Laser as it comes with many benefits, including access to industry experts to help you get through the process.
Your budget is an important part of this conversation as it determines whether you can purchase a San Antonio CO2 laser machine made in the USA alongside paying for the training. The average San Antonio CO2 laser engraving machine and training price attached is about $17,900.
It would be best to opt for the training while purchasing the machine. San Antonio Laser offers a 5-day comprehensive hands-on CO2 training to help prepare you for your business. You also don’t have to worry about after-purchase support with this company.
Access to 24/7 technical support from your CO2 laser trainee is of the utmost importance. The CO2 laser engraving machine is a complicated technology; not everyone knows the appropriate maintenance and fixing measures.
Opting for a CO2 laser trainee in the USA or anywhere close to you would be best. For US-based engravers, San Antonio Laser is one of the best laser companies in the country, offering intensive training to enable you to kickstart your business as soon as your training ends.
Knowing how long your training will last and what you should be able to achieve from it is a significant factor you should not ignore. It is expected that at the end of your training, you should be ready to hop on any CO2 laser engraving task that comes across you.
San Antonio Laser’s CO2 training does that for you. The in-person 5-day intensive training course covers set-up, calibration, advanced laser techniques, and material samples so you can get some repetition on burning with the laser. With this training, you don’t have to wait months to start making money from engraving.
Acquiring a laser engraving machine made in the USA that you can not afford will leave you in long-term debt. Your budget is a determining factor in the size and model of the laser machine you can purchase. While the cost of the device does not indicate its quality, your budget is only a significant decision-making factor.
If you are looking at owning a laser cutting machine that can engrave on various materials, you should expect to spend a little extra money. There may be less expensive options, but they may not come with a complete package, or they may consume more energy and power, making them much more expensive to maintain.
Engravers working with metals, stainless steel, plastics, wood, leather, glass, etc., will need different laser engraving machines. For instance, an engraver that needs to cut thicker materials should opt for a CO2 laser since it delivers faster initial piercing times when compared to Fiber lasers.
You should also consider the area you are working on since some engraving machines can work on large spaces while other laser cutters can only work on smaller areas. Depending on your needs—professional or personal—it would be a bad idea to purchase a professional laser cutter instead of a hobby engraving machine for personal use and vice-versa.
After looking at your budget and knowing the type of machine you want to purchase. Different factors influence the accuracy of an engraving machine, including the following:
This is a crucial factor to consider when purchasing an engraving machine. You need to know whether maintaining the laser engraving cutter is something you can do by yourself or hire an expert technician. It is a total waste of money, time, and effort to buy an engraving machine that you will discard a few years from when you made a purchase.
Many people focus more on the price of an engraving machine than its quality, cost of ownership, and longevity. Consider buying a laser cutter as a long-term investment, not a quest for the cheapest device on the market. Weigh the actual cost of a laser not just by the cost of ownership but over its total working lifetime, which should be about ten years for a good laser.
When choosing a company to purchase laser engraving machines from, it is important to go with an organization offering high-quality laser systems, excellent training, and accessible technical support for their customers.
If you are in the United States, buying a laser engraving machine made in the USA should be a priority. Speaking at her interview with SA Laser, Amanda, a satisfied trainee who spent only 4 days acquiring laser engraving skills, said, “it was really important to me to have a US-based laser company, that way, they will be with me throughout my process.”
SA Lasers is the leading laser machine manufacturer and trainer in San Antonio. Amanda went ahead to share how she gathered the skill at SA Lasers to engrave on various material types.
Whether through calls, live chat, emails, or even on-site, ensure that your chosen laser company has reliable technical support available if something is wrong or needs troubleshooting by having someone who can answer your questions efficiently.
After figuring out your budget, customer support, and all the important properties you need from your device, you should go ahead and look at the engraving machines’ relevant specs. If you are working with metals or reflective surfaces, you need to get a fiber laser cutting machine. However, if you work with nonmetals, go for CO2 laser engravers.