xTool F1 Ultra Review: Specifications, Metal Cutting, Software, and Best Wood to Laser Engrave

The Short Version

If your shop needs one compact machine for metal engraving, wood marking, and light metal cutting, the xTool F1 Ultra is the best value I've approved in six years of procurement decisions. It is not the cheapest laser on paper. It is the cheapest laser once you count the second machine you won't need to buy.

I'm the procurement manager at a 14-person precision fabrication shop. I handle a roughly $180,000 annual budget for tools, consumables, and vendor services, and I have tracked every equipment purchase for the past six years. That background matters because my default assumption was that dual laser meant mediocre at both. In this case, I was wrong.

Why I Almost Didn't Buy It

The conventional wisdom is simple: if you want fiber laser power for metals, buy a fiber laser. If you want a diode laser for wood, buy a diode laser. The F1 Ultra combines a 20W fiber and a 20W diode in one unit, and that combination looked too good to be true.

Everything I'd read about fiber lasers said they belong on a factory floor, not on a workbench. In practice, the F1 Ultra's fiber beam is compact and surprisingly approachable. It didn't replace the big fiber machine we use for heavy cutting, but it replaced a lot of subcontract work.

The upside was obvious: in-house marking, same-day turnaround, no minimum order quantities. The risk was a four-figure machine sitting unused if the learning curve ate us alive. I kept asking myself: is this worth potentially staring at another expensive doorstop?

I also assumed outsourcing would be safer than in-house marking. That assumption cost us time, not dollars. In Q2 2024, we outsourced three small stainless steel engraving jobs. The vendor's quality was fine, but every job took 5-7 days. Our production line stopped for two of those jobs because the parts were waiting on a laser mark. That's when the payback math got simple.

I only believed a hybrid would work after running a two-week trial. Before that, I kept two separate machines on my list because I assumed a dual-laser unit would compromise on both. I was wrong.

xTool F1 Ultra Laser Engraver Specifications: What Actually Matters

According to the xTool product page, the headline specification is 20W fiber plus 20W diode. That one line made me look closer. Here are the specs that changed my purchasing decision:

• Dual laser sources: 20W fiber and 20W diode in one enclosure. You can switch from metal to wood without moving the part.
• Speed: up to 4,000 mm/s engraving speed. For small production runs, that is a lot of parts per hour.
• Power setup: it runs on a normal wall outlet. We did not need an electrician or a new power line.
• Software: works with xTool Creative Space and LightBurn. LightBurn is the serious production choice; Creative Space is fine for quick jobs.
• Size: compact desktop footprint. The work area is not a 4x8 sheet, but we tile small parts and run batches without a problem.

Per FTC business guidance on advertising (ftc.gov/business-guidance/advertising-marketing), claims should be truthful and substantiated. I use the same standard for laser spec sheets. If a vendor won't put output and work area in writing, that's a red flag.

So, About xTool F1 Ultra Cutting Metal

If you search for that phrase, you will see thin steel and aluminum being sliced. That is real, but let's define the boundary. The F1 Ultra is not a plasma cutter. It will not cut 1/4-inch steel plate. For our business, that is fine. We cut stainless steel shim stock, thin aluminum tags, brass foil, and thin metal for prototypes. The fiber beam leaves a clean edge on thin material, and the dual-laser setup means you do not have to move the part between metal engraving and wood cutting.

The honest version: if your work is thick metal cutting all day, buy something with more power and a bigger work area. If your work is mostly engraving plus light metal cutting, the F1 Ultra is a serious tool.

Fiber Laser Rust Removal: The Realistic Version

Fiber laser rust removal is a real application, but it has a learning curve. On the F1 Ultra, I remove thin surface rust from steel by setting the fiber beam to low power, increasing scan spacing, and letting the laser do multiple passes. The goal is to lift the rust without engraving the base metal.

Heavy scale? Use a grinder or chemical remover first. Lasers are not magic erasers. For light rust on expensive or delicate parts, though, the fiber beam is a much better option than abrasive blasting.

One safety note: the fiber beam is 1064nm infrared and invisible to the eye. I ordered proper laser safety glasses before the machine arrived. That is a non-negotiable line item.

Best Wood to Laser Engrave: The Shortlist

If you are using the diode beam, the best wood to laser engrave is one with low resin and a tight grain. Our shop's go-to list:

• Baltic birch plywood - predictable, easy to cut, great for prototype boxes.
• Basswood - smooth, soft, and very nice for detailed marks.
• Alder - minimal pitch, good for panels and cabinet work.
• Cherry - gives a rich dark contrast and looks expensive.

What I avoid: pine, fir, and MDF. Pine and fir have too much resin; the heat creates a sticky buildup on the lens and ugly scorch marks. MDF contains glue that produces unpleasant fumes and a poor cut edge.

Laser Cutter Software: The Hidden Line Item

Laser cutter software is the part of the purchase that people forget to evaluate. The F1 Ultra works with xTool Creative Space and LightBurn. Creative Space is fine for a quick job; LightBurn is what I use when the job has layers, multiple materials, and repeatable settings.

Why does this matter? Because software is part of total cost of ownership. If a machine saves 30 minutes per job but the software workflow wastes 30 minutes, you haven't saved anything.

Hidden Costs You Should Put in Your TCO Model

Three costs almost changed my recommendation:

1. Fume extraction. A desktop laser still produces smoke. We added a small extractor and vent kit; the machine price does not include ducting.
2. Air assist. For cleaner cuts on wood and acrylic, air assist makes a visible difference. If the unit does not ship with one, budget for a small air pump.
3. Rotary attachment. If you engrave tumblers or tubes, add it to the initial order. Buying it later means a second shipping charge and another setup test.

None of these are deal-breakers. They are exactly the kind of costs that turn a cheap quote into an expensive one.

When You Shouldn't Buy It

The F1 Ultra is not for everyone. If you only cut thick acrylic or wood, a CO2 laser or a higher-power diode is a better match. If you only mark metals, a dedicated fiber machine might give you a bigger work area for the same money. If you need to cut 1/4-inch steel, buy a plasma cutter.

I bought the F1 Ultra because our work is mixed: metal tags one hour, walnut signs the next, and overnight prototypes in between. It earns its space by being the machine we reach for instead of the machine we justify.

Looking back, I should have ordered it earlier. I didn't because I was still on the fence about dual lasers. The delay cost us way more in outsourcing fees than any upcoming version was worth.