Why Sub mm 3D Scanning Is a Game Changer and How the Artec Leo Delivers It

In the world of surveying and 3D data capture, accuracy isn’t just a nice-to-have — it’s everything.When you’re scanning complex surfaces, small components, or intricate structures, millimetres matter. That’s where sub mm accuracy technology comes in — and why scanners like the Artec Leo are changing the way professionals collect and use 3D data.

What Does “Sub-2mm Accuracy” Actually Mean?

In simple terms, it means your 3D scan data points are accurate to within less than one millimetre of the real-world object.That might sound like a tiny margin — and it is — but in practical terms, it’s what allows engineers, designers, and surveyors to trust their data completely.

Imagine scanning:

• A piece of detailed heritage stonework where every curve and groove needs to be preserved digitally

• A component for reverse engineering, where even a fraction of a millimetre can affect fit and function

• A façade or mechanical element that requires precise measurement for clash detection or quality control

In each of these cases, sub-2mm accuracy ensures the scan isn’t just close — it’s true.

Enter the Artec Leo

The Artec Leo is one of the few truly mobile handheld scanners capable of achieving this level of precision.Unlike traditional handheld scanners, the Leo doesn’t tether you to a laptop. It processes data on the device itself, displaying your 3D model live on a built-in touchscreen as you move.

That means:

• Real-time feedback — see your scan build in front of you

• Full freedom of movement — no cables or external devices

• Sub millimetre accuracy — even on complex geometries and textures

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For anyone who’s ever struggled with bulky setups or inconsistent data, the Leo’s combination of power and portability is a breath of fresh air.

Where Sub-2mm Scanning Makes a Real Difference

Here’s where this level of precision really earns its keep:

1. Heritage and Conservation

Accurate digital replicas of historic features allow for restoration, documentation, and digital archiving — all without touching the original artefacts.

2. Manufacturing and Reverse Engineering

When reproducing or modifying components, you need data you can trust. A sub millimetre scan means every detail is accounted for, ready for CAD or 3D printing.

3. Construction and As-Built Verification

Tight tolerances matter. Whether you’re checking installation accuracy or capturing complex interiors, fine-resolution scanning helps spot issues before they become costly.

4. Design and Visualisation

From art installations to product prototypes, high-resolution 3D data ensures digital and physical creations align perfectly.

Precision Meets Practicality

At PQS Tech, we’ve been putting the Artec Leo to the test — scanning everything from intricate components to large-scale structures — and the results speak for themselves.The Leo delivers professional-grade accuracy without slowing you down or chaining you to a workstation.

That’s why we believe sub millimetre scanning isn’t just for high-end labs or manufacturing plants — it’s the new standard for anyone serious about reliable, real-world data capture.

Ready to See What Sub mm Scanning Can Do?

Whether you’re looking to bring 3D scanning into your workflow or want us to handle the data capture for you, we can help.We use and supply the latest scanning technology, including the Artec Leo, to give our clients confidence that what’s in the model is what’s on site

📩 Get in touch to find out how we can help you bring the power of sub mm accuracy to your next project.