AltMill CNC Laser Upgrade Guide – Unlock New Capabilities with Opt Lasers

The AltMill CNC machine is known for its precision and strength — and with the addition of a high-performance laser module from Opt Lasers, it becomes an even more capable fabrication tool. Our laser heads integrate seamlessly with the AltMill platform, enabling detailed engraving and efficient cutting on wood, leather, plastics, anodized aluminum, and more.

This guide walks you through the benefits of laser integration, how to install the system, and what materials you can work with to take your AltMill projects to the next level — whether you're a hobbyist, small business, or professional workshop.

Watch how the Opt Lasers upgrade transforms the AltMill CNC into a dual-purpose tool, capable of precision laser cutting and engraving. This demonstration highlights clean operation, quick setup, and material versatility.

The laser system for AltMill combines industrial-grade performance with simple integration. Developed by Opt Lasers, this solution enhances your workflow with a powerful blue laser head while maintaining full spindle functionality.

It installs alongside your existing setup — no permanent modifications required — and enables high-precision laser work on wood, acrylic, leather, and even coated metals. When not in use, the laser remains clear of the cutting area, allowing uninterrupted CNC operations.

Whether you're customizing products, crafting signage, or prototyping, the AltMill laser upgrade expands your creative capabilities without adding complexity.

The laser upgrade for AltMill delivers an impressive combination of power and accuracy. With up to 45W of optical power (in the XT-50 model), you can engrave fine details and cut through a wide range of materials — from thin plywood and MDF to leather, acrylics, and coated metals.

Thanks to its narrow beam profile and efficient optics, the Opt Lasers system excels at fine vector engraving, texturing, and deep cutting with minimal kerf. It’s engineered for repeatable, professional results on even the most intricate designs.

This upgrade transforms the AltMill into a multifunctional platform capable of both traditional routing and high-performance laser work — all without tool changes or mechanical adjustments.

The laser system by Opt Lasers is engineered specifically for the AltMill CNC, ensuring effortless mechanical and electrical compatibility. The mounting system and wiring are tailored for a clean installation that does not interfere with the spindle or machine frame.

Using the side plate of the Z-axis, the laser module can be securely attached without altering your original machine setup. This means no permanent modifications — and no compromise to the machine's rigidity or milling performance.

Combined with plug-and-play electronics and clearly documented instructions, this upgrade makes adding laser capabilities to your AltMill fast and frustration-free, even for first-time users.

The AltMill Laser Upgrade unlocks the ability to engrave and cut a broad spectrum of materials with exceptional precision. Thanks to advanced blue laser diode technology and tightly focused optics, this system delivers sharp, consistent results across organic and synthetic surfaces.

Supported materials include: plywood, hardwood, MDF, leather, textiles, acrylic, cardboard, and anodized aluminum. With the use of marking agents, it also supports surface marking on stainless steel and other coated metals.

Popular applications: signage, product personalization, decorative panels, inlays, electronics prototyping, hobbyist crafts, and small-batch production. Whether you're an artist, maker, or small business owner, this laser kit elevates your AltMill's potential far beyond milling alone.

The laser module for AltMill is designed to deliver industrial-grade cutting and engraving performance with seamless integration. Built using Opt Lasers' proven diode laser technology, it offers powerful output, safety features, and mechanical stability.

• Optical Power: Up to 45W (15W per diode × 3, beam-combined)
• Wavelength: 445 nm (blue laser)
• Cooling: Efficient fan cooling system for continuous operation
• Focus Distance: 60 mm fixed-focus lens assembly
• Modulation: PWM and Analog (0–5V), AltMill-compatible
• Mounting: Custom bracket for side-plate installation (non-invasive)
• Safety Features: Key switch, LED indicators, interlock-ready system

This robust laser upgrade delivers consistent output for demanding workflows — whether you're working in woodcraft, custom design, or advanced prototyping with your AltMill CNC.

Installing the Opt Lasers upgrade on your AltMill CNC is straightforward and non-invasive. The laser module mounts directly to the side plate of the Z-axis using a dedicated bracket, requiring no permanent changes to the machine structure.

The system connects via standard PWM and power inputs, and it's compatible with common AltMill control setups. With detailed installation documentation and plug-and-play components, most users can complete the setup in under an hour.

Once installed, the laser can be controlled just like a spindle — using G-code. You can switch between laser and milling operations quickly, without hardware changes, allowing for smooth, uninterrupted workflows in a single job file.

This seamless integration allows you to take full advantage of both milling and laser capabilities within the same workspace, maximizing productivity without sacrificing precision.

The laser upgrade from Opt Lasers is engineered to work seamlessly with the AltMill CNC platform, offering full compatibility without requiring modifications. It’s designed for precision alignment and mechanical fit across various AltMill configurations.

Confirmed compatible models include:

• AltMill 30x30 – A popular size among makers and small businesses.
• AltMill 48x30 – Ideal for mid-sized production and workshop applications.
• AltMill 48x48 – Great for users needing extended workspace and laser reach.

If you use a custom or modified AltMill build, Opt Lasers offers adjustable mounting options and technical support to ensure perfect compatibility with your specific setup.

If you're ready to add advanced laser cutting and engraving capabilities to your AltMill CNC, Opt Lasers provides the ultimate plug-and-play upgrade. With industrial-grade performance, seamless installation, and full support, this system transforms your CNC into a powerful multi-purpose machine.

Below are the recommended laser kits tailored for AltMill machines. These include everything needed for a smooth and efficient upgrade process: