📘 KOMPLETTER RATGEBER

SLAM Scanner for BIM (Scan-to-BIM)

Handheld SLAM scanning has become a default tool for scan-to-BIM: it captures a whole building's existing conditions in minutes, ready to model. This guide covers why SLAM fits BIM, the accuracy you need for each level of detail, and how to export into Revit and other BIM tools.

Aktualisiert 2026·6 Min. Lesezeit·Kostenlos & herstellerneutral
Das Wichtigste
  • SLAM captures a whole building's as-built in minutes for scan-to-BIM at 1–3 cm accuracy.
  • That accuracy suits most BIM modelling at LOD 200–300.
  • Export E57 or RCP to drop the cloud straight into Revit, ArchiCAD or Civil 3D.
  • Colourised (RGB) clouds make modelling and clash-spotting far easier.
In diesem Ratgeber
  1. Why SLAM for BIM
  2. Accuracy and level of detail
  3. Workflow and export

Why SLAM for BIM

BIM needs the existing building as a point cloud, fast. A handheld SLAM scanner walks the space and captures every room, corridor and service run continuously — no tripod moves, no missed corners. What took a survey crew a day can take an hour, which is why SLAM dominates scan-to-BIM for renovation and retrofit.

Accuracy and level of detail

SLAM's 1–3 cm relative accuracy comfortably supports BIM modelling at LOD 200–300 — walls, floors, openings, major MEP. For millimetre-critical fabrication detail you would add a terrestrial scanner on those elements. Confirm tolerances in the accuracy guide.

Workflow and export

Scan in closed loops, process, then export E57 (vendor-neutral) or RCP/RCS for the Autodesk ReCap → Revit pipeline. Bring the cloud into your BIM tool and model against it. Inspect and trim the cloud first in our CloudScope viewer.

Häufige Fragen

Is a SLAM scanner accurate enough for BIM?

Yes for most BIM work. SLAM's 1–3 cm relative accuracy supports LOD 200–300 modelling. For millimetre fabrication detail, supplement with a terrestrial laser scanner on those specific elements.

What format should I export for Revit?

Use RCP/RCS via Autodesk ReCap for the Revit pipeline, or E57 as a vendor-neutral exchange that most BIM tools import directly.

How fast is scan-to-BIM with SLAM?

Very fast — a building that took a crew a day with a total station can often be captured in around an hour of walking, dramatically cutting field time for scan-to-BIM.

What LOD can SLAM support?

SLAM comfortably supports LOD 200–300 — overall geometry, walls, openings and major MEP. Higher fabrication-level detail typically needs a terrestrial scanner on those elements.

Kostenlose Tools für diesen Workflow

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