Laser Engraver Buying Checklist: Ortur 20W, Laser Cut File Formats, and How to Engrave Acrylic

If you're about to buy a laser engraver for a business, and you're not the resident laser expert, this checklist is for you.

I'm the office administrator at a 32-person product company. When I took over purchasing in 2020, I managed about 60-80 orders a year and reported to both operations and finance. That background matters because my first instinct with any equipment purchase is to protect the process: the purchase order, the invoice, the test run. Everything else can wait.

Our prototyping team asked for a laser cutter in 2024. The first phrase I heard was 'most powerful laser cutter.' That phrase almost sent us down a very expensive path.

Here's the checklist I built instead. It has seven steps.

1. Start with materials, not power

Power is easy to fixate on. Materials are easier to get right. Before you search for 'most powerful laser cutter,' write down the materials you'll actually process this quarter. Include thickness and biggest piece size.

We needed to cut 3 mm birch plywood and engrave acrylic labels. That's not a demanding workload. Once I wrote that down, the machine choice narrowed itself. A 20W diode laser like the Ortur 20W made sense for our small engraving jobs. If we needed to cut thick hardwood or metal, we'd be in a different market entirely.

Ask three people at your company what they want to make: engineers, designers, production. You'll get different answers. One person's 'occasional logo' is another person's 300-piece order. The material list needs to come from the people who will actually run the machine, not from the person who signs the PO.

The upside of a bigger machine is flexibility. The risk is that you pay for capability you won't use for a year, maybe ever. I've made that mistake with other equipment. I'd rather buy a tool that pays for itself in the first quarter.

2. Compare diode laser power honestly

When I first looked at the Ortur 20W laser, I assumed the '20W' meant I could cut anything up to 20 watts of laser output. That's not how diode lasers work.

The wattage on a diode module can be reported in different ways, and the real cutting performance depends on focus, speed, number of passes, and air assist. For our thin-wood and acrylic work, that was fine. For someone who needs to cut dense wood or metal, a diode laser probably won't be enough no matter what the box says.

CO2 and fiber lasers are not 'better' or 'worse.' They're different tools for different jobs. The point is to match the machine to the material list. If a vendor can't tell you what settings they recommend for your exact material, treat the model name as a suggestion, not a guarantee.

Also, think about software. LightBurn is the standard in this kind of hobby/prosumer space, and the Ortur community is active. That support matters more than a few extra watts. I'd rather have a 20W laser with strong documentation than a 30W mystery box with no help.

3. Search for current Europe pricing with a date

If you've been searching for 'Ortur Laser Master 3 price Europe 2025,' you already know that prices bounce around. That's normal. EU pricing depends on VAT, distributor promotions, and which package you're buying.

When I checked public EU retailer listings in January 2025, the Ortur Laser Master 3 with the 20W module appeared in the roughly €450 to €650 range. Some bundles included air assist or a rotary roller. Some didn't. I won't quote that as a fixed price, because I've seen the same package jump by €80 during a promotion.

Build a total-cost line for your budget: machine, shipping, laser safety glasses, ventilation, materials for testing, and at least one accessory that solves a real problem. If you're engraving curved surfaces, budget for a rotary roller. If you're cutting thicker wood, budget for air assist. Don't buy accessories because the listing calls it a 'starter bundle.'

One more pricing note: if you buy from outside the EU, check customs and import taxes. The advertised price might not be the delivered price.

4. Sort out the laser cut file format before the machine arrives

This step sounds too simple to matter. It's not.

I asked a designer for 'the vector file.' They sent a high-resolution PNG. I said 'vector,' they heard 'anything that looks clean on a screen.' The first test engraving came out pixelated, and I had to ask for a proper file after the fact.

Here's my rule now: SVG for cut lines, DXF when a CAD user sends geometry, PNG or JPEG for raster engraving. If someone sends a PDF, I import it into LightBurn and check the path count before anything else.

Why does this matter? Because a raster image can look perfect on a monitor and turn into a blurry mess at laser resolution. Vector paths stay sharp no matter how large or small you scale them.

I keep a post-it on my monitor that says: laser cut file format = SVG for cutting, PNG for engraving. That one line has saved more time than any spec sheet.

5. How to laser engrave acrylic without ruining a batch

Acrylic looks like the ideal engraving material. It also punishes people who skip the test.

I knew I should run a test grid before engraving thirty acrylic badges. I thought, 'what are the odds?' The odds caught up with me. The edges melted, and the whole batch was scrap. That's the bad way to learn this.

Here's the short version of how to laser engrave acrylic:

• Use cast acrylic for engraving. Extruded acrylic can cut cleanly but often leaves a cloudy, rough engraving.
• Keep the protective masking on during the test engraving. After it cools, remove the masking and check the surface.
• Set the focus on the material surface. A mis-focused 20W module will burn instead of engrave.
• Use air assist if your machine has it. Less smoke on the surface means a cleaner result.
• Run a 5x5 test grid with different power and speed settings. Write down the winning combination.

I'm not giving exact speed and power percentages here because they depend on focus, air flow, and the acrylic brand. That's exactly why the test grid exists. It takes about ten minutes and it can save you a whole production run.

If you have time, test a small sample before you commit to a large batch. Acrylic from a different supplier can behave differently.

6. Check safety documentation before the unboxing

I'm not a laser safety officer. I'm the person who signs the purchase order, and that's enough responsibility to ask the right questions.

Before the machine arrived, I looked up the laser class in the manual and forwarded it to our facilities manager. We confirmed that the room had ventilation. I ordered laser safety glasses rated for the diode wavelength. That was a ten-minute call, but it prevented a much worse conversation later.

Safety standards like IEC 60825-1 are not a sales obstacle. They're the reason a vendor can sell a powerful laser with a clear conscience. If a vendor can't point you to the safety documentation, that's a red flag.

Do not skip the extraction step. Cutting wood and engraving acrylic produces smoke. A machine in a meeting room without ventilation is a problem you don't want to explain to HR.

7. Keep a settings log for every material

This is the step I always want to skip, and it's the one that saves the most money.

We found a great acrylic setting on a Tuesday. By Friday, a colleague needed the same job done, and no one could remember the numbers. We ran the tests again. It took 45 minutes.

Now there's a one-page settings card next to the laser. The card has speed, power, passes, focus, and a comment about the acrylic brand. It's not fancy. It just keeps the lessons from disappearing.

If you're not sure where to start, keep the card simple. Date, material, thickness, speed, power, passes, result. Add a photo of the test piece if your team works off your phone.

Final notes from the buyer's side

A few things that don't fit in the steps but matter just as much:

• Verify invoicing capability before you place the order. A vendor that can't issue a proper invoice will turn your equipment purchase into a finance nightmare. Our previous vendor's handwritten receipt turned into a $2,400 rejected expense report.
• Don't buy a 'most powerful laser cutter' as a future-proofing exercise. Future jobs is not a budget line item. Buy for this quarter's materials and this quarter's workload.
• Use the community when you're stuck. Our Ortur setup question was answered by the user forum in one evening. That support is worth more than a few watts.

The upside of a bigger machine was being ready for 'what if.' The risk was spending the budget on capability we wouldn't use. I kept asking myself: is 'some day' worth holding up this quarter's projects? The expected value said no.

Looking back, I should have asked for a sample engraving on our exact acrylic before placing the order. At the time, I figured any acrylic would behave the same. It didn't.

If you're in the middle of this decision, don't start with the power question. Start with a material list, a file format, and a test plan. Here's the thing: the machine that works is the one that fits the workflow, not the one with the biggest number on the box.