Best CO2 Laser Engravers: 15 Spec-Based Picks
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Finding the best CO2 laser engravers requires looking past marketing claims and focusing on the numbers that matter. This guide compares 15 products based strictly on the specifications published on their listings. The top pick is the OMTech 13 oz Metal Laser Marking Spray 3-Pack. It leads because its 13 oz aerosol format applies evenly and dries rapidly for high-contrast marking on bare metals. We evaluated options ranging from compact desktop units to large-format industrial cutters and essential replacement tubes. These picks help you decide which machine or component matches your specific workflow, power needs, and material requirements.
Quick picks
The best fit for you
- You need to mark bare metals with a CO2 laser OMTech 13 oz Metal Laser Marking Spray 3-Pack This spray enables high-contrast black marking on brass, aluminum, and stainless steel using any 25W or higher CO2 laser.
- You want the most compact model on the list OMTech K40+ 45W CO2 Laser Engraver It features a 19.7-inch width and 9.8-inch height, making it the smallest footprint in the selection.
- You are cutting large fabric or thick non-metallic materials VEVOR 100W 24 x 35 in CO2 Laser Engraver The 100W power and 24 x 35 inch working envelope support large-scale production tasks.
- You need to replace a 90W CO2 laser tube Cloudray 90W-100W CO2 Laser Tube This 90W to 100W tube delivers steady performance with a rated 10,000-hour lifespan.
Our 15 picks
OMTech 13 oz Metal Laser Marking Spray 3-Pack
Best for: marking bare metals with CO2 lasers
- Laser Type
- Diode
- Compatible Material
- Metal, Aluminum
- Dimensions
- 2.6 × 2.6 × 7.9 inches
View on Amazon: OMTech 13 oz Metal Laser Marking Spray 3-Pack
If you want to mark bare metals using a CO2 laser of 25W or higher, this three-pack of 13-ounce OMTech marking spray gives you the necessary surface coating. The cadmium-free aerosol formula dries in under five minutes, or two minutes with a hot air blower, leaving a permanent black mark on stainless steel, aluminum, and brass. Unmarked excess washes away with a simple water rinse after processing.
Pros
- Compatible with 25W and above CO2 laser engravers as well as fiber lasers
- Dries in under 5 minutes naturally or 2 minutes with a hot air blower
- Works across bare metals including aluminum, stainless steel, and brass
- Excess spray washes off with a simple rinse
Cons
- Requires an existing laser engraver rated at 25W or higher
- Formulated specifically for bare metals rather than organic materials
- Requires post-engraving washing to remove unbonded spray
Good fit if
- You operate a CO2 laser rated at 25W or higher and need high-contrast black marks on bare metal.
- You want a fast-drying aerosol coating that rinses clean with water after engraving.
- You regularly batch-process items like metal tumblers, tools, or jewelry.
Skip if
- You need a standalone CO2 laser machine rather than an engraving consumable.
- You are using a CO2 laser tube rated below 25W.
Verdict: OMTech 13 oz Metal Laser Marking Spray 3-Pack enables high-contrast black marking on bare brass, aluminum, and stainless steel using any 25W or higher CO2 laser. It applies evenly via aerosol, dries rapidly, and rinses off with water.
Cloudray 90W-100W CO2 Laser Tube
Best for: replacing or upgrading 80mm CO2 laser tubes
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 90-100W
- Compatible Material
- Glass
- Dimensions
- 55.1 × 10.6 × 11.4 inches
- Weight
- 8 kilograms
If your setup requires a high-power replacement or an upgrade, this Cloudray 90W-100W CO2 Laser Tube gives you a rated 90W to 100W output. It measures 1240mm in length and 80mm in diameter, with an operating recommendation of 25mA. Designed for heavy cutting and engraving cycles, it provides a rated lifespan of 10,000 hours and includes a removable lens cover to shield the output lens from dust and debris.
Pros
- Rated power output of 90W to 100W
- Long operational lifespan rated at 10,000 hours
- Removable lens cover protects the output optic from environmental dust
- Standard 80mm outer diameter fits common mounting brackets
Cons
- Component-only part requiring a compatible chassis, power supply, and chiller
- Requires a machine enclosure that accommodates its 1240mm physical length
Good fit if
- You need a 90W to 100W replacement tube for an 80mm diameter mount.
- You have an enclosure that accommodates a 1240mm tube length.
- You run your laser power supply at the recommended 25mA operating current.
Skip if
- You are shopping for a complete, ready-to-run laser engraving machine.
- Your machine cabinet cannot accommodate a tube measuring 1240mm long.
Verdict: Cloudray 90W-100W CO2 Laser Tube is a high-output replacement optic that delivers steady 90W to 100W performance and a 10,000-hour rated lifespan. It is well suited for shops maintaining large-format CO2 cutting setups.
OMTech K40+ 45W CO2 Laser Engraver
Best for: compact crafting with included dedicated tube cooling
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 45W
- Working Area
- 12"x8"
- Software Compatibility
- LightBurn, LaserGRBL
- Cutting Capacity
- 0.4" (10mm) acrylic, 0.31" (8mm) wood
- Features
- Water Chiller
The OMTech 45W Desktop CO2 Laser with Chiller pairs a 45W CO2 laser tube with a CW-3000 dedicated water chiller in a compact desktop footprint. It offers a 12-by-8-inch work area and cuts acrylic up to 0.4 inches and wood up to 0.31 inches. Built-in air assist, an exhaust fan, and compatibility with LightBurn and LaserGRBL make it practical if you want a complete desktop setup with active cooling included.
Pros
- Includes a dedicated CW-3000 water chiller for tube cooling
- Cuts up to 0.4-inch acrylic and 0.31-inch wood with a 45W tube
- Works with both LightBurn and LaserGRBL software
- Equipped with built-in air assist, exhaust fan, and safety sensors
Cons
- Compact 12-by-8-inch work area restricts project dimensions
- Laser engraver and chiller arrive separately in two shipments
Good fit if
- You want a desktop CO2 laser bundled with a dedicated external chiller.
- You work on smaller designs that fit within a 12-by-8-inch bed.
- You plan to control your machine using LightBurn or LaserGRBL.
Skip if
- You need a work surface larger than 12 by 8 inches.
- You cut wood thicker than 0.31 inches or acrylic thicker than 0.4 inches.
Verdict: OMTech 45W Desktop CO2 Laser with Chiller delivers capable cutting and engraving performance bundled with dedicated external cooling. It provides a practical, safety-focused desktop workstation for small-format makers.
OMTech 50W 850mm CO2 Laser Tube
Best for: replacing 50W tubes in compatible CO2 engravers
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 50W
- Weight
- 2.6 pounds
This OMTech 50W CO2 Laser Tube is a replacement glass tube designed for compatible laser cutting and engraving machines. It measures 850 mm (33.4 inches) long by 50 mm (2 inches) in diameter and produces a 4 mm focused beam spot using an American II-VI infrared lens. Operating at 18kV and 4mA, it includes preinstalled wiring and cooling ports. It suits you if your existing 50-watt setup needs a fresh tube replacement.
Pros
- Rated for up to 6,000 hours of operating life
- Preinstalled connection wires and integrated cooling ports
- Borosilicate glass construction with gold catalyst coating
- Produces a 4 mm focused beam spot via II-VI infrared optics
Cons
- Replacement tube only, not a complete standalone engraving machine
- Physical length of 850 mm requires a matching chassis size
- Requires an external water pump or chiller system for cooling
Good fit if
- You need a 50W replacement tube measuring 850 mm in length and 50 mm in diameter.
- You want prewired connections to simplify installation into your existing engraver.
- You cut or engrave materials like wood, acrylic, leather, or glass.
Skip if
- You need a complete, ready-to-run desktop laser engraver rather than a component.
- Your laser engraver enclosure cannot accommodate an 850 mm tube length.
Verdict: OMTech 50W 850mm CO2 Laser Tube delivers a direct 50-watt replacement with prewired leads and standard 50 mm mounting dimensions for compatible CO2 engravers.
xTool P3 80W CO2 Laser Cutter
Best for: large-format cutting and automated batch production
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 80W (80,000 mW)
- Working Area
- 36" x 18"
- Engraving Speed
- 1200 mm/s max
- Form Factor
- Fully enclosed (Class 1)
- Cutting Capacity
- 20mm wood, 25mm acrylic
The xTool P3 is a fully enclosed Class 1 CO2 laser cutter with an 80W tube and a 36-inch by 18-inch bed. It achieves travel speeds up to 1200 mm/s and cuts through 20 mm wood and 25 mm acrylic. With integrated LiDAR autofocus, dual positioning cameras, and an AutoLift base offering up to 8.7 inches of height clearance, it suits makers managing high-volume customization or large-format cutting projects.
Pros
- Expansive 36" x 18" working area
- High cutting capability for 20mm wood and 25mm acrylic
- Top engraving speed reaching 1200 mm/s
- Dual HD camera positioning paired with LiDAR autofocus
- Class 1 enclosed build with interlocks and active flame suppression
Cons
- Substantial footprint measuring 49.2" long by 30.7" wide
- Conveyor feeder, rotary axis, and air purifier sold separately from standard unit
Good fit if
- You need a large 36" x 18" working bed to cut sheet goods up to 25mm thick.
- You want automated height and positioning via LiDAR autofocus and dual cameras.
- You run batch jobs requiring high travel speeds up to 1200 mm/s.
Skip if
- You have limited bench space that cannot fit a 49.2-inch wide enclosure.
- You need rotary tools or conveyor feeding included straight out of the box.
Verdict: xTool P3 80W CO2 Laser Cutter pairs high cutting capacity with advanced camera alignment and LiDAR autofocus across an expansive bed. It is built to streamline high-volume cutting and batch engraving tasks within a fully enclosed Class 1 chassis.
OMTech 90W CO2 Laser Engraver with LightBurn
Best for: workshops cutting thick non-metallic materials
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 90W
- Working Area
- 20" x 28"
- Engraving Speed
- Up to 600 mm/s
- Software Compatibility
- LightBurn
- Dimensions
- 57.1 × 34.3 × 27.6 inches
View on Amazon: OMTech 90W CO2 Laser Engraver with LightBurn
If you need substantial power and bed space, this 90W CO2 laser engraver delivers a 20" x 28" honeycomb working area and speeds up to 600 mm/s. It includes 4-way pass-through doors for oversized materials, integrated air assist, and a water pump for cooling. Supported by LightBurn software, it suits busy workshops cutting non-metallic stock up to 0.4 inches deep.
Pros
- 90W CO2 tube cuts non-metallic materials up to 0.4 inches deep
- Spacious 20" x 28" honeycomb bed with 4-way pass-through access
- Fast engraving speeds reaching up to 600 mm/s
- Built-in air assist and water pump cooling system
Cons
- Heavy 227-pound frame requires a permanent dedicated location
- Requires substantial floor space with a 57.1" by 34.3" footprint
Good fit if
- You need a large bed with pass-through slots to feed oversized materials.
- You want 90W of CO2 power to engrave and cut non-metallic items up to 0.4 inches thick.
- You prefer running your jobs through LightBurn software.
Skip if
- You work in a tight area unable to support a 57.1" wide machine.
- You need a compact tabletop unit that can be easily moved by one person.
Verdict: OMTech 90W CO2 Laser Engraver with LightBurn combines high wattage, multi-directional material pass-through, and reliable LightBurn control for demanding workshop production.
OMTech K40+ 45W Desktop CO2 Laser Engraver
Best for: Small projects and limited desktop space
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 45W
- Form Factor
- Desktop
- Dimensions
- 31.9 × 19.7 × 9.8 inches
- Weight
- 53.8 pounds
The OMTech K40+ is a 45W CO2 laser engraver designed for desktop use. It features a working area of 19.7 by 9.8 inches. The unit weighs 53.8 pounds and measures 31.9 inches in length. This model suits users who need a compact system for smaller projects. It is a practical option for hobbyists with limited workspace.
Pros
- 45W CO2 laser power for cutting and engraving
- 19.7 by 9.8 inch working area
- Compact desktop form factor
- Includes LightBurn software compatibility
Cons
- 45W power is lower than the 50W to 100W options on this list
- 19.7 by 9.8 inch bed is smaller than the 24 by 35 inch VEVOR model
- 53.8 pound weight makes it less portable than lighter units
Good fit if
- You need a reliable 45W CO2 laser for small-scale projects
- You have limited desktop space and need a compact footprint
- You prefer a system that includes LightBurn software
Skip if
- You require high power for thick material cutting
- You need a large bed for big projects
- You want a lightweight portable machine
Verdict: The OMTech K40+ 45W Desktop CO2 Engraver fits hobbyists who prioritize a compact footprint and included software over raw power or large bed size.
VEVOR 100W 24 x 35 in CO2 Laser Engraver
Best for: large fabric cutting and thick non-metallic materials
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 100W
- Working Area
- 24 x 35 in (600 x 900 mm)
- Engraving Speed
- Up to 19.7 ips
- Software Compatibility
- LightBurn, CorelDRAW, AutoCAD
- Cutting Capacity
- Up to 0.59 in
This floor-standing CO2 laser cutter delivers 100W of power across a large 24 by 35 inch honeycomb work area. It reaches engraving speeds up to 19.7 inches per second and cuts materials up to 0.59 inches thick in a single pass. With two-way pass-through doors, integrated air assist, and fabric compatibility, you have ample room and power for cutting large textiles and non-metallic sheets.
Pros
- Large 24 x 35 in (600 x 900 mm) honeycomb work area
- High 100W CO2 laser cuts materials up to 0.59 in thick
- Front and back pass-through doors for longer stock
- Engraving speeds reaching up to 19.7 ips
- Compatible with LightBurn, CorelDRAW, and AutoCAD
Cons
- Heavy machine weighing 551 pounds
- Large footprint measuring 64.6 by 39.4 inches
Good fit if
- You need a large bed and pass-through doors for oversized materials like fabric bolts or big acrylic sheets
- You require 100W of cutting power to cut stock up to 0.59 inches thick in one pass
- You use design software such as LightBurn, CorelDRAW, or AutoCAD on Windows, macOS, or Linux
Skip if
- You have limited floor space or cannot accommodate a 551-pound machine
- You only engrave small hobby items and do not need a 24 x 35 inch bed
Verdict: VEVOR 100W 24 x 35 in CO2 Laser Engraver delivers substantial 100W cutting power and a generous work envelope suited for large-scale fabric, wood, and acrylic production. Its pass-through doors and broad software support make it a capable workshop machine.
Cloudray 40W CO2 Laser Tube
Best for: budget tube replacement in compact CO2 engravers
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 40W (max 45W)
- Compatible Material
- Metal
- Length
- 28.3 inches
- Width
- 1.97 inches
This component is a 40W replacement CO2 laser tube running up to a 45W maximum. It measures 720 mm (28.3 inches) in length and 50 mm (1.97 inches) in outer diameter. If you need to replace an aging or depleted glass tube in a compact CO2 engraver, this provides a TEM00 mode beam with pre-connected high- and low-voltage wiring for straightforward setup.
Pros
- Pre-connected high-voltage end, connector, and low-voltage port
- TEM00 mode output with nano gold catalyst coating
- Glass-to-metal sealing technology
Cons
- Standalone replacement tube, not a complete engraving machine
- Requires an enclosure with clearance exceeding 720 mm by 50 mm
- Power output capped at 40W rated and 45W maximum
Good fit if
- You already own a compatible CO2 engraver needing a 720 mm replacement tube
- You want pre-wired terminals to simplify electrical connections
- Your machine's tube compartment fits a 50 mm diameter
Skip if
- You are looking for a complete, ready-to-run laser engraver
- You need higher cutting power than 40W to 45W
- Your engraver chassis cannot fit a 720 mm long tube
Verdict: Cloudray 40W CO2 Laser Tube delivers a focused TEM00 beam and pre-wired connections for compact machine repairs. It is an ideal swap for existing setups designed around a 720 mm glass tube.
OMTech 60W CO2 Laser with Chiller & LightBurn
Best for: Large nonmetallic projects with automation
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 60W
- Working Area
- 28x20 Inch (500x700 mm)
- Engraving Speed
- up to 23.6 ips (600 mm/s)
- Software Compatibility
- LightBurn
- Compatible Material
- Wood, Glass
View on Amazon: OMTech 60W CO2 Laser with Chiller & LightBurn
The OMTech 60W CO2 laser engraver offers a 28x20 inch work area for large projects. It includes LightBurn software and a water chiller for stable performance. The motorized autolift bed simplifies focus adjustments. With speeds up to 23.6 ips, it handles nonmetallic materials efficiently. This bundle suits users needing a mid-power machine for commercial or serious hobbyist use.
Pros
- 60W CO2 laser tube for reliable cutting and engraving
- 28x20 inch honeycomb and aluminum blade bed
- Motorized autolift workbed for easy height adjustment
- Includes LightBurn software and water chiller
Cons
- Heavy at 223 pounds, requiring sturdy support
- Limited to nonmetallic materials like wood and glass
- No mention of air assist in key specs
Good fit if
- You need a large 28x20 inch work area
- You want included LightBurn software
- You prefer motorized focus adjustments
Skip if
- You engrave metals regularly
- You have limited floor space
- You prefer lighter, portable units
Verdict: OMTech 60W CO2 Laser 28x20 In is a solid mid-power choice for those needing a large bed and included software. It fits users prioritizing automation and capacity over portability.
TEN-HIGH 20mm ZnSe Focal Lens
Best for: Replacing 127mm focal lenses in CO2 engravers
- Laser Type
- CO2 (what this guide is about)
- Dimensions
- 1.97 × 0.79 × 1.97 inches
- Weight
- 0.64 ounces
This is a replacement focal lens for CO2 laser engravers and cutters. It features a 20mm diameter and a 127mm focal length. The lens uses ZnSe material with double-sided solid coating for high transmittance and laser resistance. It weighs 0.64 ounces and measures 1.97 inches in height. You should use this lens if your machine requires a 5-inch focal length replacement. It suits users who need precise optical components for better engraving quality.
Pros
- 20mm diameter and 127mm focal length
- ZnSe material with high transmittance
- Double-sided solid coating for durability
- Lightweight at 0.64 ounces
Cons
- Sold as a single lens component
- Requires manual installation by the user
- Limited to specific CO2 laser models
Good fit if
- You need a 127mm focal length replacement
- You want high transmittance for efficiency
- You prefer durable ZnSe material
Skip if
- You need a complete laser machine
- You require a 50mm diameter lens
- You want an integrated chiller system
Verdict: TEN-HIGH 20mm CO2 Laser Lens provides the specific 127mm focal length needed for precise CO2 laser operations. It fits users who prioritize optical clarity and material durability in their engraving setup.
VEVOR 55W CO2 Laser Engraver 20x12
Best for: large desktop projects and cylindrical engraving
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 55W
- Working Area
- 20 x 12 in
- Engraving Speed
- Up to 500 mm/s
- Software Compatibility
- LightBurn, RDWorks
- Cutting Capacity
- ≤ 7 mm acrylic, ≤ 5 mm wood
The VEVOR 55W CO2 laser engraver offers a 20 x 12 inch work area for desktop use. It reaches speeds up to 500 mm/s and includes a rotary axis for cylindrical objects. The 5 MP camera and auto focus simplify setup. It supports LightBurn and handles materials like wood and acrylic up to 7 mm thick. This machine suits users needing a large, automated workspace.
Pros
- Includes a rotary axis for cylindrical items
- Features a 5 MP camera with auto focus
- Fast engraving speed up to 500 mm/s
- Generous 20 x 12 inch working area
Cons
- Limited to non-metal materials only
- Cutting capacity maxes out at 7 mm acrylic
- Heavy build at 121 pounds
Good fit if
- You need to engrave cylindrical objects like tumblers
- You require a large 20 x 12 inch work area
- You want auto focus to speed up setup
Skip if
- You plan to engrave bare metals
- You need to cut materials thicker than 7 mm
- You have limited space for a heavy desktop unit
Verdict: The VEVOR 55W CO2 Laser Engraver 20x12 is a solid choice for hobbyists who need a large desktop footprint and rotary capabilities. It fits users who prioritize speed and automation over metal engraving.
DGHUNST 100W CO2 Laser Power Supply
Best for: powering 80W to 120W CO2 laser tubes
- Laser Type
- CO2 (what this guide is about)
- Dimensions
- 11.2 × 7.68 × 3.74 inches
This is a dedicated replacement power supply built for CO2 laser engravers, cutters, and markers. It measures 11.2 by 7.68 by 3.74 inches and is configured for 110V operation. The unit is designed to drive 80W to 120W CO2 laser tubes from multiple manufacturers. It suits you if you need a high-frequency power source with isolated input and output terminals to service or upgrade an existing laser setup.
Pros
- Compatible with 80W to 120W CO2 laser tubes
- Separated input and output for electric shock prevention
- Can operate briefly in an open-circuit state with a grounded enclosure
- Compact chassis measuring 11.2 x 7.68 x 3.74 inches
Cons
- Component-only part, not a complete laser engraving machine
- Configured specifically for 110V input
- Not suitable for tubes rated below 80W or above 120W
Good fit if
- You need a replacement 110V power unit for an 80W to 120W CO2 laser tube
- You are building or repairing a CO2 laser cutter or engraver
- You require an isolated power supply with quick response speed
Skip if
- You need a turnkey, fully assembled laser engraving machine
- You are running a 40W or 50W laser tube that requires lower wattage
- You operate on a 220V electrical supply
Verdict: DGHUNST 100W CO2 Laser Power Supply provides dedicated 110V power for 80W to 120W CO2 tubes with built-in input and output electrical separation. It is a practical replacement component for maintaining compatible laser cutters and engravers.
OMTech K40+ CO2 Laser Engraver with Chiller
Best for: compact nonmetal engraving with bundled water cooling
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 40W
- Working Area
- 8"x12" (200x300 mm)
- Engraving Speed
- 350 mm/s
- Software Compatibility
- LightBurn
- Features
- Water Chiller
The OMTech K40+ is a desktop CO2 laser engraver bundled with an external water chiller and LightBurn software compatibility. It offers an 8 by 12-inch workbed, a 350 mm/s maximum engraving speed, and cuts nonmetallic items up to 1/8 inch deep. With its detachable base and dual flat and clamping beds, this unit suits hobbyists and small workshops processing compact nonmetal items and curved surfaces.
Pros
- Includes a dedicated water chiller and LightBurn software support
- Comes with both a flat 8 by 12-inch bed and a clamping bed
- Detachable base and 1.2-inch adjustable laser head accommodate taller items
- Integrated air assist and exhaust fan for smoke removal
Cons
- Working area is limited to 8 by 12 inches
- Maximum rated cutting depth is 1/8 inch
- Laser tube and power supply warranty coverage is limited to 6 months
Good fit if
- You want a desktop CO2 machine that includes cooling equipment in the box.
- You work primarily on smaller nonmetallic projects within an 8 by 12-inch envelope.
- You need flexibility to engrave irregular or curved objects using a clamping bed.
Skip if
- You need to cut materials thicker than 1/8 inch.
- You require a large work surface for oversized sheet goods.
Verdict: OMTech K40+ CO2 Laser Engraver with Chiller provides a complete desktop CO2 setup with dedicated cooling, air assist, and LightBurn support. It is a solid choice if you need a modular platform for small-scale nonmetallic engraving.
OMTech K40+ 45W Desktop CO2 Laser Engraver
Best for: desktop crafting and small-format acrylic or wood cutting
- Laser Type
- CO2 (what this guide is about)
- Laser Power
- 45W
- Working Area
- 12" x 8"
- Engraving Speed
- up to 300 mm/s
- Software Compatibility
- LightBurn, LaserGRBL
- Cutting Capacity
- 0.31" (8mm) wood, 0.4" (10mm) acrylic
This desktop CO2 laser engraver delivers 45W of optical power across a 12" x 8" working area. It reaches engraving speeds up to 300 mm/s and cuts materials up to 0.4 inches thick in acrylic or 0.31 inches in wood. With native LightBurn and LaserGRBL support, a built-in 45° air assist, and a detachable base, it suits hobbyists and small makers looking for a capable desktop cutting solution.
Pros
- Cuts up to 0.4" (10mm) acrylic and 0.31" (8mm) wood with 45W tube
- Engraving speeds reach up to 300 mm/s
- Integrated 45° air assist automatically clears smoke and debris
- Works directly with LightBurn and LaserGRBL software
- Detachable base accommodates taller items and optional rotary setups
Cons
- Compact 12" x 8" working bed restricts material sheet sizes
- External water chiller is not included with this standalone unit
Good fit if
- You need a compact desktop CO2 unit capable of cutting up to 10mm acrylic
- You prefer running jobs through LightBurn or LaserGRBL
- You work on smaller flat items or need a removable floor for taller pieces
Skip if
- You require a working bed larger than 12" x 8" for large-scale projects
- You need high-output commercial production exceeding 45W
Verdict: OMTech K40+ 45W Desktop CO2 Laser Engraver brings reliable 45W cutting performance and full LightBurn support to compact workspaces. Its built-in air assist and removable base offer strong versatility for small craft and prototype jobs.
Specifications side by side
| Spec | OMTech 13 oz Metal Laser Marking Spray 3-Pack | Cloudray 90W-100W CO2 Laser Tube | OMTech K40+ 45W CO2 Laser Engraver | OMTech 50W 850mm CO2 Laser Tube | xTool P3 80W CO2 Laser Cutter | OMTech 90W CO2 Laser Engraver with LightBurn | OMTech K40+ 45W Desktop CO2 Laser Engraver | VEVOR 100W 24 x 35 in CO2 Laser Engraver | Cloudray 40W CO2 Laser Tube | OMTech 60W CO2 Laser with Chiller & LightBurn | TEN-HIGH 20mm ZnSe Focal Lens | VEVOR 55W CO2 Laser Engraver 20x12 | DGHUNST 100W CO2 Laser Power Supply | OMTech K40+ CO2 Laser Engraver with Chiller | OMTech K40+ 45W Desktop CO2 Laser Engraver |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Laser Type | not specified | CO2 | CO2 | CO2 | CO2 | CO2 | CO2 | CO2 | CO2 | CO2 | not specified | CO2 | CO2 | CO2 | CO2 |
| Laser Power | not specified | 90-100W | 45W | 50W | 80W (80,000 mW) | 90W | 45W | 100W | 40W (max 45W) | 60W | not specified | 55W | not specified | 40W | 45W |
| Working Area | not specified | not specified | 12"x8" | not specified | 36" x 18" | 20" x 28" | not specified | 24 x 35 in (600 x 900 mm) | not specified | 28x20 Inch (500x700 mm) | not specified | 20 x 12 in | not specified | 8"x12" (200x300 mm) | 12" x 8" |
| Engraving Speed | not specified | not specified | not specified | not specified | 1200 mm/s max | Up to 600 mm/s | not specified | Up to 19.7 ips | not specified | up to 23.6 ips (600 mm/s) | not specified | Up to 500 mm/s | not specified | 350 mm/s | up to 300 mm/s |
| Software Compatibility | not specified | not specified | LightBurn, LaserGRBL | not specified | not specified | LightBurn | not specified | LightBurn, CorelDRAW, AutoCAD | not specified | LightBurn | not specified | LightBurn, RDWorks | not specified | LightBurn | LightBurn, LaserGRBL |
| Form Factor | not specified | not specified | not specified | not specified | Fully enclosed (Class 1) | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Cutting Capacity | not specified | not specified | 0.4" (10mm) acrylic, 0.31" (8mm) wood | not specified | 20mm wood, 25mm acrylic | not specified | not specified | Up to 0.59 in | not specified | not specified | not specified | ≤ 7 mm acrylic, ≤ 5 mm wood | not specified | not specified | 0.31" (8mm) wood, 0.4" (10mm) acrylic |
| Compatible Material | Metal, Aluminum | Glass | not specified | not specified | not specified | not specified | not specified | Wood, Acrylic, Fabric | Metal | Wood, Glass | not specified | Wood, Acrylic, Glass | not specified | not specified | not specified |
| Features | not specified | not specified | Water Chiller | not specified | not specified | not specified | not specified | Air Assist | not specified | Air Assist, Water Chiller | not specified | Rotary Axis, Camera | not specified | Water Chiller | not specified |
| Dimensions | 2.6 × 2.6 × 7.9 inches | 55.1 × 10.6 × 11.4 inches | 31.9 × 19.7 × 9.8 inches | not specified | 49.2 × 30.7 × 19.5 inches | 57.1 × 34.3 × 27.6 inches | 31.9 × 19.7 × 9.8 inches | 64.6 × 39.4 × 39.4 inches | not specified | 48.8 × 34.3 × 26.4 inches | 1.97 × 0.79 × 1.97 inches | 40.4 × 22.8 × 10.2 inches | 11.2 × 7.68 × 3.74 inches | not specified | 31.9 × 19.7 × 9.8 inches |
| Weight | not specified | 8 kilograms | 53.8 pounds | 2.6 pounds | not specified | 227 pounds | 53.8 pounds | 551 pounds | not specified | 223 pounds | 0.64 ounces | 121 pounds | not specified | not specified | not specified |
| Length | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 28.3 inches | not specified | not specified | not specified | not specified | not specified | not specified |
| Width | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 1.97 inches | not specified | not specified | not specified | not specified | not specified | not specified |
| Size | 3 Pcs | 90-100W 1240mm | 45W with LB&Chiller | 50W 850mm | xTool P3 | with LightBurn | not specified | Working Area: 24" x 35" | 35-45W 720mm | with LB&Chiller | 5"/127mm | Working Area: 20" x 12" | MYJG100W (110V) | not specified | not specified |
| Color | 13 OZ -- Black | Transparent | Blue | not specified | White | with LightBurn | Blue | Orange | Cr35 | Black, Red | not specified | Black | not specified | not specified | Blue |
| Model | RYGEL-USBPW0103 | W2:90-100w Dia:80mm L:1240mm | K40+ 45W | RYGEL-LATST5001 | MXP-K015-001 | RYGEL-USB0705U2 | RYGEL-USB0302U1 | KH9060 | CR35 | SH-G570 | ABCD | SH-530 | not specified | SH-G350 | K40+ |
Is a CO2 laser engraver worth it?
CO2 lasers operate with a 10.6-micrometer beam that processes nonmetallic materials such as acrylic, wood, glass, and fabric. In daily operation, a CO2 system relies on glass laser tubes, reflective mirrors, and specialized focusing lenses. Most setups also require dedicated water chillers or active cooling lines to manage tube heat during jobs. Power supplies are built specifically for high-voltage tube excitation. While CO2 systems handle organic materials natively, marking bare metals like steel, brass, or aluminum requires applying treated laser marking sprays.
Worth it if
- You frequently cut or engrave nonmetallic materials such as acrylic, wood, fabric, and glass.
- You have a workshop layout that can accommodate external water chillers and large chassis enclosures.
Skip it if
- You plan to mark bare metals without using a pre-applied aerosol marking spray.
- You want a setup that avoids water-cooling hardware and glass tube maintenance.
If you need a different machine, see our list of the best lexmark laser printers ranked by specs.
How We Chose These Picks
To select items for this guide, we review listings that specify CO2 as the laser type within their published titles or feature lists. Only one size or variant per product family is included. All descriptions rely exclusively on published technical specifications, and items are never physically handled.
The 15 picks are ordered with products in stock first, then by Amazon sales rank (better-selling products first). As you evaluate the options, you can compare key specifications like laser wattage, integrated cooling features, and exterior dimensions to find the right equipment for your space.
How to Choose a CO2 Laser Engraver
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Choose the Right Form Factor
Check the external dimensions and overall footprint of the unit before you decide on a placement area. Desktop units are built for compact benchtop setups. For example, the OMTech K40+ 45W Desktop CO2 Laser Engraver measures 31.9 inches long, 19.7 inches wide, and 9.8 inches high. Larger workshop engravers often require dedicated floor space and weigh several hundred pounds. Measure your available bench depth, ceiling clearance, and doorways to ensure the chassis will fit.
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Verify Bed Dimensions
Look at the published bed size to confirm your intended materials will fit flat inside the machine. Smaller desktop models target compact crafts, while larger platforms accommodate bulk sheet goods. If you plan to process wide acrylic sheets or large fabric cuts, check for dimensions like the 24 by 35-inch working area on the VEVOR 100W CO2 Laser Engraver. A larger work envelope reduces the need to pre-cut raw material stock before you start a job.
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Check Software Support
Examine the listed software compatibility to see how you will control your machine. Many CO2 engravers, including the OMTech 90W CO2 Laser Engraver with LightBurn, provide direct LightBurn integration. LightBurn allows you to manage vector paths, raster engraving, cutting speeds, and power layers from an industry-standard interface. If you already use LightBurn or plan to standardize your workflow across different machines, choose an engraver that specifies compatibility so you can avoid proprietary controller software.
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Look for Included Cooling
CO2 glass tubes generate significant heat during operation and require continuous liquid cooling to run safely. Check whether an engraver features built-in cooling or bundles a standalone refrigeration unit. Systems like the OMTech Maker 90W CO2 Laser with Chiller list a water chiller directly in their bundled features. Selecting a package that includes a dedicated chiller ensures you have matched thermal management ready immediately without needing to source and plumb a separate external water system.
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Match Replacement Tube Dimensions
If you are purchasing a replacement tube for an existing machine, check both the physical length and the outer diameter. A tube must fit the physical brackets and cabinet length of your chassis. For instance, the Cloudray 90W-100W CO2 Laser Tube has an 80 mm diameter and a 1240 mm length. Confirm your machine has adequate interior space for those physical dimensions, and check that your power supply matches the tube's rated wattage.
Frequently asked questions
What is the largest CO2 laser engraver on this list?
The VEVOR 100W 24 x 35 in CO2 Laser Engraver offers the largest working area. It measures 64.6 inches in length and 39.4 inches in width. This substantial footprint supports large-scale fabric, wood, and acrylic production. The machine weighs 551 pounds and includes pass-through doors for extended materials.
Which CO2 engraver includes a water chiller?
Several models feature dedicated water cooling systems. The OMTech 45W Desktop CO2 Laser with Chiller bundles an external chiller for stable performance. The OMTech 90W CO2 Laser Engraver with LightBurn also includes cooling. Additionally, the OMTech 60W CO2 Laser with Chiller & LightBurn provides this feature for heat management.
Do these engravers support LightBurn software?
Many listed units are compatible with LightBurn. The OMTech K40+ 45W CO2 Laser Engraver supports this software. The 90W and 60W OMTech models also include LightBurn compatibility. The VEVOR 100W unit offers broad software support. The VEVOR 55W CO2 Laser Engraver 20x12 is also compatible with LightBurn.
What is the highest wattage available for a complete machine?
The VEVOR 100W 24 x 35 in CO2 Laser Engraver delivers the highest wattage among complete units. It provides substantial cutting power for thick non-metallic materials. The OMTech 90W CO2 Laser Engraver is the next highest option at 90W. Both are designed for demanding workshop production tasks.
Which model is best for engraving on round objects?
The VEVOR 55W CO2 Laser Engraver 20x12 is the best choice for rotary work. It includes a dedicated rotary axis feature. This allows you to engrave cylindrical items like tumblers or bottles. The unit also features a camera for alignment and supports LightBurn software for precise control.
What is the smallest CO2 laser engraver footprint?
The OMTech K40+ 45W Desktop CO2 Laser Engraver has a compact design. It measures 19.7 inches in width and 9.8 inches in height. This form factor suits small workspaces and benchtop setups. It brings reliable 45W cutting performance to compact areas without requiring a large industrial footprint.
Can I replace the laser tube in my existing machine?
Yes, several replacement tubes are listed. The Cloudray 90W-100W CO2 Laser Tube fits 80mm setups. The OMTech 50W 850mm CO2 Laser Tube is a direct replacement with prewired leads. The Cloudray 40W CO2 Laser Tube is ideal for compact machines using 720 mm tubes. These allow for easy upgrades.