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3D Laser Scanning Guides

Connecting first questions to clear answers

How scanning works, what a point cloud is, how long a scan takes, and how to prepare a building for one.

What is a point cloud?

Laser Scanning, Photogrammetry, Drones, or a Total Station?

Where scanning meets photogrammetry, drones and total stations

The methods section sets the capture techniques against each other, down to laser scanning versus a tape measure.

How accurate is scanning?

Registration, Resolution, and Coordinate Systems

Linking registration, resolution and coordinates

The technical guides cover registration, point density, georeferencing, state plane coordinates, and the ways a point cloud can mislead you.

Point cloud file formats

A Starting Point for Construction Drawings

Spanning floor plans to electrical, sheet by sheet

A separate step-by-step track covers every type of blueprint, from floor plans to sections and electrical.

Open the glossary

Scan Your Building

Crossing from reading to scoping

The service page covers deliverables and coverage. The calculator gives a range for your building.

Price a scan
Short answer: A guide hub covering how 3D laser scanning works and when to use it — comparing laser scanning against photogrammetry, drones, and total stations, explaining registration, resolution, and coordinate systems, and introducing construction drawings for teams new to them.

Key takeaways:

  • The basics: what laser scanning is and where it fits.
  • Methods and technical: registration, resolution, and coordinate systems.
  • Comparisons: laser scanning, photogrammetry, drones, or a total station.
  • Reading and understanding blueprints, for teams new to construction drawings.

3D Laser Scanning Guides

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3D Laser Scanning Guides & Resources

New to reality capture? These guides explain how 3D laser scanning works, what to expect on-site, and how to get accurate, usable results — written in plain language for building owners, architects, contractors, and facility managers.

Your reading path through these guidesSix plain-language guides, in the order they help most
  1. What is a point cloud?Start with the raw output of a scan — what the millions of measured points actually are, and why every drawing and model traces back to them.
  2. How accurate is 3D laser scanning?What accuracy means in practice, and what level your project genuinely needs before you pay for more.
  3. How long does a 3D laser scan take?What drives time on site and in processing, so you can plan around access and occupancy.
  4. How to prepare your building for a scanWhat to clear, unlock and flag ahead of the crew arriving, so a single visit is enough.
  5. How to choose a scanning companyThe questions worth asking, and the answers that separate a survey-grade provider from a camera operator.
  6. Is 3D laser scanning worth it?The return case — where scanning pays for itself against rework, site revisits and disputed conditions.
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

Start here

Before you scan vs. reviewing the resultsWhich guide to reach for at each stage of a project
Planning the capture
  • How long does a 3D laser scan take?
  • How to prepare your building for a scan
  • How to choose a scanning company
  • Questions to settle before the crew arrives
  • Decisions that control cost and site disruption
Judging the deliverable
  • What is a point cloud?
  • How accurate is 3D laser scanning?
  • Is 3D laser scanning worth it? (ROI)
  • Vocabulary for reviewing what you receive
  • Whether the data will hold up when trades build to it
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

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