xTool S1 Acrylic Cutting, Rotary Work, and Realistic Cost: A Procurement-Focused Walkthrough

There's no single "right" answer to whether the xTool S1 is the mini laser cutter you should buy. It depends on what you're cutting, whether you'll actually use the rotary attachment, and how you think about cost. I say this as someone who's spent the last six years tracking every equipment purchase we've made. When people ask me about the xTool S1, I don't give them a one-size-fits-all verdict. I ask what they're planning to make.

Here's the breakdown I usually walk through, based on our own orders, the machine's specs, and conversations with other shop owners.

Scenario A: You Mostly Want to Cut Acrylic

If acrylic is your primary material, the xTool S1 is a serious contender. It's a diode laser, so it doesn't have the raw power of a CO₂ tube, but for acrylic up to around 10 mm, it handles the job respectably. We've run dozens of acrylic sheets through ours for signage prototypes and product displays.

What I've noticed:

• Cast acrylic tends to cut cleaner than extruded acrylic with a diode laser. We learned that after wasting a few sheets.
• You need good air assist. Not optional. We run our compressor at around 20-30 L/min for acrylic, and it makes a visible difference in edge clarity.
• Cutting speed matters more than people think. Going too slow causes heat buildup and melting. We found our best results at 8-12 mm/s for 5 mm acrylic.

If you're doing thin acrylic sheet cutting — think 3 mm to 6 mm — the S1 with the 40W module is honestly a solid option. It doesn't require the ventilation footprint of a CO₂ system, and the interchangeable modules mean you aren't locked into one power level.

But if your work is mostly thick acrylic, like 15 mm or 20 mm sheets for displays or heavy-duty fabrication, I'd be honest: a CO₂ laser is still the better tool. The S1 isn't trying to replace that. It's a desktop machine, not a production workhorse.

Scenario B: You Want to Engrave Pictures on Tumblers, Mugs, and Cylindrical Items

This is where the rotary attachment changes everything. Without a rotary, engraving a curved surface means manually rotating the object and hoping your alignment holds. With the xTool S1 rotary, the machine handles the rotation, and the results are much more consistent.

We purchased the rotary bundle for a client project involving personalized stainless steel tumblers. The X axis becomes the rotation of the tumbler, and the laser stays fixed. That's a huge advantage over trying to engrave on a curved surface with a flat bed.

For laser engraved pictures on tumblers, the workflow looks like this:

1. Set the tumbler in the rotary chuck and center it properly — this takes some practice, and if it's off, your image wraps unevenly.
2. Use a high-contrast photo and convert it to grayscale in the software.
3. Do a test run on a cheap tumbler or a piece of paper wrapped around the cylinder to check focus and position.
4. Adjust power and speed. We typically start around 25-30% power at 3000-4000 mm/min for dark engravings on coated stainless steel.

Is it perfect? No. The rotary chuck has a maximum diameter. If you're engraving something wider than the chuck can hold, you're out of luck. And changing between flat and rotary work means recalibrating your bed height. But for personalized drinkware — which is a solid revenue stream for small shops — the S1 rotary setup pays for itself.

Scenario C: You Want a General-Purpose Mini Laser Cutter for Mixed Materials

If you're the kind of shop that engraves leather tags in the morning, cuts plywood prototypes in the afternoon, and tests glass coasters before closing, the S1's material versatility is the main draw.

Here's what I've seen work well:

• Wood, bamboo, and leather: excellent for engraving and cutting up to moderate thicknesses.
• Glass and stone: engraving only. You're not cutting glass with a diode laser. That's a hard limit.
• Metal: the 40W module can mark coated or anodized metals quite effectively. We use it for small serial numbers and logos on aluminum parts. Uncoated metal engraving appears to work up to a point, but we've found it inconsistent at depth and don't build production around it.

That said, machine versatility comes with a learning curve. You'll need different focus settings for different materials. If you're expecting a press-and-print experience across every surface, you'll be disappointed. But if you're okay testing parameters and keeping a material log, the S1 is a good fit.

From a cost perspective, this is where the xTool S1's modular design wins. You can start with the 20W base and buy the 40W module later if you need deeper engraving or faster cutting. I tracked our spending across the base machine, the rotary attachment, air assist, and the honeycomb worktable, and the total unlocked more material categories than any single fixed-power system we evaluated.

How to Know Which Scenario You're In

Here's the practical guide I give people, because "it depends" doesn't help you make a decision.

Ask yourself about round objects. If you're planning to engrave tumblers, bottles, or mugs as part of your regular product lineup, the rotary attachment is close to mandatory. If you're only doing flat items, skip the rotary for now and upgrade later when a client asks.

Ask yourself about acrylic thickness. If your work involves 3-6 mm acrylic, the S1 is a proven option. If you regularly cut 10 mm or thicker, budget for a CO₂ system instead. Trying to force a diode laser to do thick acrylic every day will slow you down and frustrate your team.

Ask yourself about metal. If you need to engrave coated metals like anodized aluminum or powder-coated steel, the S1 with the 40W module is worth the money. If you need deep engraving into raw steel or aluminum, look elsewhere. I'm not 100% sure the raw metal engraving claim will hold up for production use — we've only had consistent results on coated surfaces.

Ask yourself about space and ventilation. The S1 is not enclosure-free. We built a simple ventilated enclosure around ours and run it with an inline fan. If you can't set up proper ventilation, no desktop laser cutter is a safe choice.

Cost Reality Check from the Procurement Side

I consistently see people compare the S1's price against a CO₂ laser and stop there. That's a mistake. Your total cost of ownership includes software subscriptions, air assist, a chiller or ventilation setup, rotary attachments, and replacement parts.

Let's break it down:

• Base unit: The S1 comes with the 20W diode module and basic accessories.
• 40W module: A significant upgrade that can shorten cutting time on thicker materials.
• Rotary bundle: This adds the chuck and related mounting hardware.
• Air assist: Essential for acrylic and wood cutting. If you don't own a small air compressor, factor one in.
• Honeycomb worktable: Protects your table and improves airflow on the underside of cuts.
• Ventilation: An enclosure and fan is an expense people skip. I would not skip it.

Based on publicly listed pricing seen as of January 2025, the total for the 40W version with rotary and air assist lands significantly above the base unit price. The good news is each component earns its keep if you actually use it. The bad news is that buying the base unit and realizing later you need the 40W module means paying more in the long run than buying it upfront.

A practical tip from our own process: we built a standard material test matrix before we committed to new jobs. For each material, we logged power, speed, frequency, focus distance, air assist pressure, and results. That one spreadsheet has saved us more time and material waste than any other single practice we've adopted, because we don't redo tests every time we switch jobs.

Things I'd Say to a First-Time Buyer

If this is your first mini laser cutter:

Start with the base S1 and use it for a month. Cut flat wood, acrylic, and leather. Test the settings. Understand the software. Then decide if the rotary or the 40W module is the better next purchase. I'd hesitate to buy everything at once before you actually know what your production mix will demand.

Why? Because I made that mistake with an earlier setup. I bought the full bundle, and two of the accessories sat unused for a year. Not because they were bad — because I didn't need them yet. The S1's modular design means you can build as you go, and that matches how real shops actually grow.

Bottom Line

The xTool S1 is not a universal answer, but it is a very practical one for specific jobs.

If you're cutting thin-to-moderate acrylic, engraving round items with the rotary attachment, or producing custom wooden and leather goods, the S1 with the right module combination is a solid investment for a small business. If you need thick acrylic cutting or deep metal engraving every day, save your budget for a different class of machine.

My experience is based on roughly 150 laser jobs across our own shop and consultations with several small manufacturers. If you're doing high-volume production of thick acrylic sheet or industrial metal engraving, your needs will be different. I can't speak to that level of load — I've only worked with small-batch production and prototyping. But for that scope, the S1's cost-effectiveness, material flexibility, and modular upgrades make it the best value we've found without jumping to a full-size CO₂ system.