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GOM Inspect SoftwareGOM Inspect - Free 3D Inspection Software

Free 3D Inspection Software - 3D Viewer with Mesh Processing Functionality


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Free inspection software with over 158K downloads!  GOM Inspect is free mesh processing and inspection software for dimensional analysis of 3D point clouds from white light scanners, laser scanners, CTs and other sources.  This software is entirely free to use and results can be shared amongst departments, vendors, and/or with customers for faster communication to help speed up the decision making process. 

GOM Inspect contains all the evaluation tools necessary for an extensive analysis of parts and components. It is independently tested and certified by German and American national measurement laboratories (PTB, NIST). The accuracy of the evaluation software is verified by comparing the results obtained from the software with reference results. GOM Inspect has been placed in class 1, the class of the smallest deviations.

GOM Inspect - Free Inspection Software for 3D Scanners, CMMs, Laser Scanners, CT Scanners and More


Comparison free GOM Inspect and GOM Inspect Professional

Polygonize Scanner Data yes yes yes
Mesh Processing yes yes yes
CAD Import Basis yes yes yes
CAD Import Native no yes yes
Import/Export Measurement Data
Import of Volume Data (New features)
yes yes yes
Parametric Inspection no yes yes
Traceability yes yes yes
Teaching by Doing no yes yes
Alignments yes yes yes
CAD Comparison yes yes yes
GD&T Analysis yes yes yes
Trend Analysis yes yes yes
Creating Trend Projects no yes yes
Airfoil Inspection (New features) yes yes yes
Surface Defect Map (New features) yes yes yes
Curve-Based Inspection yes yes yes
Point-Based Inspection yes yes yes
Scripting no yes yes
Templates no yes yes
Reporting yes yes yes
Virtual Measuring Room (Additional Modules) no yes yes
Flexible Solution for Network Licenses no no yes

The free GOM Inspect software is also a viewer for all measurement results that are created with GOM Inspect Professional.


System requirements


Free GOM Inspect instant download


Intel Core i3, 4 GB RAM, OpenGL-compatible graphics board (NVIDIA Quadro for optimized hardware rendering),
Windows 7, 64 bit.


GOM Inspect is fully compatible with Windows 7® / Windows 8® / Windows 10® Operating System*.

Data Import

     GOM Inspect - Free Inspection Software
CAD data Measuring plans Point clouds (3D scanner)
 • IGES  • ASCII  • G3D - ATOS
 • STEP 203/214  • CSV  • STL
 • VDA  • ...  • ASCII 
 • JT-Open    • POL
 • STL    • PSL





Highlighted Features


Polygon Mesh

3D meshes are calculated from 3D point clouds for visulization, simulation, reverse engineering and CAD comparison.  Meshes can be exported to a number of standard formats such as STL, G3D, JT Open, ASCII and PLY.  Please note, in order to polygonize ATOS data, GOM Inspect Professional is required.

GOM Inspect - Free Inspection Software

Mesh Processing

Polygon meshes can be smoothed, thinned and refined.  In addition, holes in the mesh can be filled and curvatures extracted.  The mesh is processed using curvature-based algorithms and tolerances.  The software provides the user with a live preview of each processing step before executing.  

 GOM Inspect - Free Inspection Software for dimensional analysis and inspection of 3D scanning data


From element creation to final result, each step is comprehensively traced for process integrity.  The exact creation parameters and measurement/point selection of any element are traced back to the origin.  Parametric Inspection is a passive module in the free software package.  All evulation steps for an element can be traced but not adjusted or modified.  For full Parametric Inspection, GOM Inspect Professional is required.  


GOM Inspect - Free Inspection Software- Powerful 3D scanning and inspection software

CAD / Measurement Plan Import

Only neutral CAD formats and measurement plans can be imported and read such as IGES, STEP and PLY.  To import native formats like CATIA, NX, Solidworks and Pro/E, GOM Inspect Professional is required.  The individual data formats are imported via drag & drop and are automatically identified and assigned by the software.  

GOM Inspect - Free Inspection Software - CAD / Measurement Plan Import


Contains all standard alignment functions.  These include RPS alignment, hierarchical alignment based on geometry elements, reference points and various best-fit procedures such as global best-fit and local best fit.  User-defined alignments can be displayed, but not modified.  For full access, GOM Inspect Professional is required so that customers can also use their own specific alignments, for example- turbine blades, balanced beam or equalized nested alignments.  

GOM Inspect - Free Inspection Software

CAD Comparison

The computed polygon meshes describe free-form surfaces and primitives.  These can be verified by comparing surfaces with a technical drawing or directly to CAD.  A 3D analysis of surfaces as well as a 2D analysis of sections or points can be implemented in the software.  CAD based generation of primitives such as lines, planes, circles or cylinders is also possible.

GOM Inspect - Free Inspection Software - CAD comparison


The I-Inspect button stands for "intelligent inspection" and guides operators through the inspection process.  I-Inspect suggests suitable measurement principles and inspection criteria for the selected element.  With I-Inspect, complex inspection tasks can be implemented quickily and easily.  

GOM Inspect - Free Inspection Software - I-Inspect

GD&T Analysis

In contrast to basic measurement analysis, GD&T analysis focuses on the functional aspect of a part.  The software conforms to ASME and ISO standards and allows extensive GD&T analysis, including planarity, parallelism and cylindricity, two-point distances, maximum material conditions as well as position tolerance in local and global coordinate systems.  

GOM Inspect - Free Inspection Software - GD&T Analysis

Trend, SPC and Deformation Analysis

Trend analysis helps monitor manufacturing and production trends to detect and prevent possible issues.  This feature examines and reports the change in shape and morphing of geometry.  These essential software tools are utilized to better understand manufacturing processes for a faster root cause analysis. Functions for trend analysis are fully integrated in the free software; however, to generate trend projects, GOM Inspect Professional is required.  

GOM Inspect - Free Inspection Software - Trend Analysis

Golden Mesh

For many applications, the Golden Mesh is required by either finding the best mesh or calculating an average mesh. The best mesh is an original mesh, which is determined to have the least deviation from an average data set. The average mesh is a new mesh, which is calculated based on a set of multiple meshes. When determined, the Golden Mesh can be exported as STL for reverse engineering to CAD or used as a reference for future part inspection.

GOM Inspect - Free Inspection Software - Golden Mesh

Local Coordinate Systems

The local coordinate system in the software makes it possible to perform local or drawing-based evaluations. Hence, the dimensioning within a coordinate system is possible, standardized GD&T position analysis can be combined easily with local coordinate analysis in the same reference system and complex alignment strategies can be implemented. The local coordinate systems also form the basis for 6DoF analysis.

GOM Inspect - Free Inspection Software - Local Coordinate System Feature

Airfoil Inspection

GOM Inspect Professional includes advanced industry-focused inspection evaluations.  Native quality control functionality for the analysis of airfoils and turbine blades inclide: inspection of profile mean line, profile centroid and profile thickness of thurbine blades on the basis of 2D sections.  The profile's center of gravity, radii and twist can also be calculated.  

 GOM Inspect - Free Inspection Software - Airfoil Inspection Feature

Curve-Based Inspection

GOM Inspect Professional closes the gap between point-based and surface-based inspection.  Full-field digitized data is used to apply construction functions for curves and to visualize their individual properties.  For example, Edge Curves can be captured, radii and character lines analyzed and spline curves created.  Flush & Gap analysis is another element provided in curve-based inspection.  

GOM Inspect - Free Inspection Software - Sheet Metal - Curve-Based Inspection

Point-Based Inspection

All evaluation functions can also be used on point clouds.  For example, this includes measurement of distances between individual points and a comparison of points with the CAD model.  Construction functions can then be applied to created geometry elements based on several points.  This allows GD&T analysis on the generated elements, including flatness, cylindricity or positional accuracy.  

GOM Inspect - Free Inspection Software- Point-Based Inspection

Point-Based Motion and Deformation Analysis

Analysis of motion and deformation is carried out using a component concept.  Points are divided into coherent groups and defined as components.  Transformations or corrections to rigid body movements can then be calculated for these components.  6DoF (degrees of freedom) analysis can be applied to determine the translation and rotation movements in all directions.  Vector fields then help visualize point movements and deformation over time.  


 GOM Inspect - Free Inspection Software - Point-Based Motion and Deformation Analysis


The reporting module enables users to create reports containing snapshots, images, tables, diagrams, text and graphics.  The results can be presented and edited in the user interface as well as exported to a PDF document.  Custom templates are reusable and each snapshot is stored in a report can be restored in the 3D window.  In order to personalize report pages, GOM Inspect Professional is required.  

GOM Inspect - Free Inspection Software - Reporting


GOM Inspect available in English GOM Inspect available in Chinese GOM Inspect available in French GOM Inspect available in German GOM Inspect available in Italian GOM Inspect available in Japanese GOM Inspect available in Portuguese GOM Inspect available in Spanish
English Chinese French German Italian Japanese Portuguese Spanish

Video Tutorials

Episode 1: User Interface

Duration: 5 minutes, 50 seconds 


Episode 2: Data Import 

Duration: 4 minutes, 41 seconds 


Episode 3: Simple Inspection  

Duration: 6 minutes, 3 seconds


Episode 4: Dimensional Inspection
Duration: 7 minutes, 39 seconds


Episode 5: Trend Projects
Duration: 2 minutes, 36 seconds 


Episode 6: Reporting
Duration: 4 minutes, 17 seconds 

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