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Documentation Index

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Voyager analyses are not limited to data generated from Lumafield scans. The Import Tool loads external Mesh and CAD files into the Project Editor for workflows such as Mesh Compare, 2D Dimensioning, and the 3D Auto-Dimensioning suite (notably Profile). Import Overview The Import Tool supports two file types, and the available type depends on the active Mode:
ModeSupported file typeUsed for
Analysis Mode.STLCompare Tool, Mesh-based measurements
Dimensioning Mode.STEPNominal CAD for Profile, Datum definition on CAD

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Importing an STL Mesh (Analysis Mode)

From the Toolbar in Analysis Mode, select the Import Tool, choose a file to upload, and set the Mesh scale matching the unit set in your .STL file.
A common default for .STL files from external software is mm, which is also the default for .STL files exported from Voyager.
Import Upload After the upload completes, a new Mesh Data Object appears in the Data Panel. The Mesh is then available for Voyager analyses in the same manner as a Mesh generated with Voyager’s Mesh Tool.

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Importing a STEP CAD file (Dimensioning Mode)

From the Toolbar in Dimensioning Mode, select the Import Tool to upload a .STEP file as the nominal CAD body for your scanned part. STEP imports are the foundation of the Profile workflow, which compares your scan against the nominal CAD under a Datum Reference Frame.
For a focused walkthrough of the STEP-import workflow — including file-prep guidance and integration with Datum Definition and Profile — see the dedicated Nominal CAD Import article.
1

Open the Import Tool in Dimensioning Mode

Switch to Dimensioning Mode and select the Import Tool from the Toolbar.
2

Upload your .STEP file

Choose the STEP file representing the nominal part. STEP carries native units and exact geometry, so no scale entry is required.
3

Define datums on the imported CAD

Use the Datum Tool to build a Datum Reference Frame on the imported CAD, mirroring the DRF on the scanned part. Matching labels (for example, A, B, C) make datum correlation in the Profile workflow trivial.
4

Run Profile

With matching DRFs on the part and CAD, run Profile to compare the scan against the nominal CAD.
Export STEP files from your CAD tool with the part isolated as a single body. Multi-body assemblies should be split before upload so Profile evaluates the intended geometry.