Sienci Labs All in One Laser and Bundle
Seamless Integration with Altmill and Longmill machines
The J Tech laser upgrade is plug-and-play compatible with Sienci Labs CNC machines — including the original Longmill and the new Altmill series. Installation kits include everything you need:
- Mounting hardware
- Magnetic laser shroud
- Safety Interface Board (SI)
- Power supply
- Extension cables
- OD4+ safety goggles
We offer direct support for upgrading these machines, and yes — our systems work perfectly with LightBurn and Vectric software packages.
All the choices to add a laser to your Sienci Longmill or Altmill CNC in one place. This kit works with the standard spindle mount that comes with the CNC. It works with all sizes of the machine, up to the 4′ x 8′ machine.
Choose Your Power
| Laser Model | Power Output | Best For | Cutting | Photo Engraving |
|---|---|---|---|---|
| 7W+ | Up to 7W | Detailed photo engraving, hobby use | ❌ | ✅ |
| 14W+ | Up to 14W | All-around engraving, light cutting | ⚠️ Light cutting | ✅ |
| 34W 2-in-1 PRO | Up to 34W | Cutting 1/4″ wood, production speed | ✅Faster | ✅ |
| 64W 3-in-1 PRO | Up to 64W+ | Industrial-level cutting and speed | ✅ Fastest | ✅ |
Engraving Laser Comparison
Cutting Laser Comparison
Photo Engraving Comparison
For a full detailed comparison, check out the blog post here. The short answer is no, there is not a discernable difference between any of the lasers when engraving photos.
Endless Applications Possibilities
Upgrade your machine with a J Tech Photonics laser and unlock a world of creative and production-ready applications:
- Engrave and cut wood for signs, cutting boards, coasters, and custom décor
- Engrave and cut dark acrylic with crisp detail and smooth edges
- Mark anodized aluminum and coated metals for logos, labels, and artwork
- Personalize tumblers, cups, and drinkware using a rotary attachment
🧩 Easy Add-On for Longmill and Altmill
We’ve created dedicated install instructions and wiring diagrams for Sienci Labs CNC machines — including the Altmill with SLB controllers. Your laser stays safe and off when not in use, thanks to integrated interlocks and safety board features.
🔒 Built-In Safety
J Tech Photonics prides itself on making our products the safest in the market.
Every system includes:
- Laser Enable Key
- Emergency stop/reset input
- Power Fault Protection
- Safety interlock for controller connection loss
- Emissions Indication
- Tilt Sensors (34W and 64W models)
- Compatible with ventilation and air assist systems
Sienci Labs Laser Upgrade Air Assist Options
Air assist can really help with cleaner burns, faster cutting, and keeping your lens free of debris.
- The 64W, 34W and 14W+ laser comes with the integrated air assist nozzle, hose, and risers.
- For 7W+, the air assist nozzle kit is here: Air Assist Nozzle Kit
Pump not included. 55W Aquarium Pump for Cutting
🧑🏫 J Tech Has Your Back
You’re not alone — we support thousands of laser upgrade users and provide:
- Install guides, videos, and diagrams
- Email/phone support from real engineers
- LightBurn setup help
- Materials and speed guidance
Ready to supercharge your Altmill or Longmill?















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