Acmer · Diode
Acmer P3
Enclosed 20W diode with built-in camera: budget answer to xTool S1
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Last updated How we evaluate
Released August 2024
TL;DR
Acmer packs an enclosed 20W diode, camera preview, and air assist into a sub-$800 package. Performance sits between open-frame budget machines and xTool S1. Worth considering if xTool pricing hurts but you still want enclosure and camera.
Best for
What makes this machine stand out
Hardware and workflow features worth understanding before you buy : not just wattage on a label.
Alignment camera
A built-in camera lets you overlay your design on the real material instead of guessing placement. That matters for repeat products, irregular blanks, and anyone who has wasted stock on a misaligned first run.
LightBurn compatible
LightBurn support means advanced layers, camera tools, and workflows many makers outgrow the stock app with. Confirm your exact controller board before assuming full features : some machines need a paid license separately.
Our verdict
Ideal if you
Acmer P3 20W is the versatile hobby / side-business SKU: clean engraving and light wood or leather cuts with comparable benchmarks on Maker Atlas.
Skip if you
Open-frame: glasses and exhaust required. Not a CO₂ replacement for clear acrylic or heavy thick-stock production.
Pros
- Everyday engrave and light cut mix: typical 6 mm basswood in several passes
- Open-frame: plan laser glasses, exhaust, and workspace rules from day one
- Software on the profile: trial your workflow on scrap before production
Cons
- Clear cast acrylic and thick production cutting still favor CO₂, not diode power alone
- Confirm optical wattage on the listing before you buy
What this machine is for
Affordable enclosed engraving with camera alignment for home makers
Budget enclosed diode laser for home engraving with camera-assisted alignment and moderate thin-material cutting.
Laser spot size
~0.08 mm spot
Motion precision: 0.01 mm
Sample engrave job
~10–14 min
10 × 10 cm (4 × 4 in)
Sample cut job
~5–8 min
10 × 10 cm (4 × 4 in)
Reference benchmark: same job size on every machine so you can compare times fairly. Times are estimates for the reference job above; your design complexity and settings will change them.
Materials
- · Wood
- · Leather
- · Slate
- · Anodized aluminum
- · Stainless (with spray)
Accessories & add-ons
Typical inclusions and add-ons for this profile : confirm your SKU.
- Included
Enclosure / cabinet
Third-party enclosure improves smoke control and safety
- Recommended
Laser safety glasses
~450 nm diode: OD rated for your wavelength
- Recommended
Fire extinguisher
Editorial guidance : not a live parts list. See also: Ventilation setup · Safety basics
Practical notes
Beginner notes
This profile covers Acmer P3. Read the TL;DR and benchmarks before buying, then compare nearby models on the Compare page.
Pro tips
Use camera for placement but always run material test cards. Upgrade exhaust path if cutting frequently: built-in filters clog faster than ducting outside.
Pro / technical specsRaw numbers for experienced users comparing machines.
- Max speed (spec)
- 350 mm/s
- Avg engrave speed
- 70–150 mm/s fill
- Avg cut speed
- 4–11 mm/s on 3 mm wood
Alternatives to the Acmer P3
Machines in the same space, picked from our database by type, price, and score.
xTool · Diode · $999 – $3,049
The 20W S1 is the value pick in xTool's enclosed diode line: same cabinet and filters as the 40W, but less cut depth on thick wood. Buy this if safety matters and you mostly engrave.
WeCreat · Diode · $999 – $1,299
WeCreat's enclosed diode laser adds a camera and AI features for material detection and visual preview. Appealing for beginners who want guidance. Core laser performance is comparable to other enclosed diodes: you pay for the smart features.
xTool · Diode · $699 – $899
The 20W D1 Pro module is xTool's most popular open-frame head: mixed engraving and light cutting on the large D1 bed. Verify optical power on the listing; swap to 40W later if cut jobs dominate.