3D Scanning Wiki

Explore the INSVISION 3D Scanning Wiki for 3D scanning definitions, accuracy concepts, point cloud basics, industrial inspection methods, reverse engineering guidance, selection tips, and common technical questions.

Popular: What Is 3D Scanning? What Is a 3D Scanner? What Is 3D Scanning Accuracy? What Is Point Cloud Data? What Is Reverse Engineering? What Is Industrial 3D Inspection?

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Core Concepts2 entries

What Is 3D Scanning? Principles, Workflow, and Industrial Applications 3D scanning is a digital measurement technology that converts the surface geometry of physical objects into 3D data. This entry covers its working principles, core parameters, industrial use cases, common misconceptions, and related technical concepts. What Is a 3D Scanner? Types, Parameters, and Selection Criteria A 3D scanner captures three-dimensional surface data from physical objects and converts geometry, dimensions, and features into digital data for inspection, reverse engineering, and modeling.

Data And Accuracy2 entries

What Is 3D Scanning Accuracy? Accuracy, Repeatability, and Resolution Explained 3D scanning accuracy describes how closely scan data matches an object's actual geometry and dimensions. It is assessed through local accuracy, volumetric accuracy, stitching accuracy, repeatability, and resolution. What Is Point Cloud Data? Point Clouds, Meshes, and CAD Models in 3D Scanning Point cloud data is an important raw data format in 3D scanning. It consists of discrete 3D coordinate points that describe object surface geometry and support inspection, reverse engineering, modeling, and archiving.

Industrial Applications2 entries

What Is Industrial 3D Inspection? Full-Field Inspection and Deviation Analysis Industrial 3D inspection uses 3D scanning, point cloud processing, and CAD comparison to support dimensional inspection, deviation visualization, quality review, and traceable reporting in manufacturing. What Is Reverse Engineering? The Role of 3D Scanning in Reverse Modeling Reverse engineering uses 3D scanning and digital modeling to convert existing physical workpieces into editable CAD models for product modification, mold development, inspection, and additive manufacturing.

Workflows2 entries

What Is Reverse Engineering? The Role of 3D Scanning in Reverse Modeling Reverse engineering uses 3D scanning and digital modeling to convert existing physical workpieces into editable CAD models for product modification, mold development, inspection, and additive manufacturing. What Is Industrial 3D Inspection? Full-Field Inspection and Deviation Analysis Industrial 3D inspection uses 3D scanning, point cloud processing, and CAD comparison to support dimensional inspection, deviation visualization, quality review, and traceable reporting in manufacturing.

Selection Questions2 entries

What Is a 3D Scanner? Types, Parameters, and Selection Criteria A 3D scanner captures three-dimensional surface data from physical objects and converts geometry, dimensions, and features into digital data for inspection, reverse engineering, and modeling. What Is 3D Scanning Accuracy? Accuracy, Repeatability, and Resolution Explained 3D scanning accuracy describes how closely scan data matches an object's actual geometry and dimensions. It is assessed through local accuracy, volumetric accuracy, stitching accuracy, repeatability, and resolution.
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Understanding 3D Scan Mesh Simplification: A Technical Overview

2026/07/16

Understanding 3D Scan Mesh Simplification: A Technical Overview

When a 3D scanner captures an object, the resulting mesh often contains millions or even tens of millions of triangles. Such high-resolution data is valuable fo
Point Cloud to CAD Conversion: Definition, Process, and Key Considerations

2026/07/16

Point Cloud to CAD Conversion: Definition, Process, and Key Considerations

A point cloud is a dense collection of spatial coordinate measurements, but by itself it cannot drive manufacturing, simulation, or parametric design. Point clo
Hole Filling in 3D Scan Meshes

2026/07/10

Hole Filling in 3D Scan Meshes

Hole filling in 3D scan meshes is a polygonal mesh post processing operation that identifies and closes unintended gaps, voids, or missing polygon regions in raw scanned mesh data.
Datum Alignment in 3D Scanning

2026/07/10

Datum Alignment in 3D Scanning

Datum alignment in 3D scanning is the metrological process of transforming captured 3D point cloud or mesh data to align with a predefined, traceable datum reference frame (DRF) that conforms to engineering design, manufacturing, or inspection requirements.
Point Cloud Downsampling

2026/07/10

Point Cloud Downsampling

Point cloud downsampling (also referred to as point cloud simplification or sub sampling) is a 3D data processing technique that reduces the total number of points in a raw point cloud generated by 3D scanning systems, while preserving critical geometric, topological, and metrological properties of the scanned object.
Coordinate Systems in 3D Scanning

2026/07/10

Coordinate Systems in 3D Scanning

A coordinate system in 3D scanning is a standardized orthogonal reference frame used to assign unique numerical X, Y, and Z positions to every point captured during the scanning process.
Measurement Uncertainty in Industrial 3D Scanning

2026/07/10

Measurement Uncertainty in Industrial 3D Scanning

Measurement uncertainty in industrial 3D scanning is a quantitative expression of the doubt associated with a dimensional measurement derived from 3D scan data, describing the range of values within which the true, traceable value of an object's geometric feature is estimated to lie.
Small Precision Part 3D Scanning

2026/07/10

Small Precision Part 3D Scanning

Small precision part 3D scanning is a specialized subset of industrial 3D metrology focused on capturing high accuracy, high resolution three dimensional data of small, tight tolerance manufactured components.
3D Reconstruction

2026/07/10

3D Reconstruction

3D reconstruction is a digital processing workflow that captures the geometric, spatial, and optional surface attribute data of a physical object or environment to generate a quantifiable digital 3D model.
Point Cloud Filtering

2026/07/10

Point Cloud Filtering

Point cloud filtering is a core preprocessing step in 3D scanning and digital geometry processing that removes erroneous, redundant, or noisy data from raw point cloud datasets captured by 3D scanning systems.
OBJ File

2026/07/10

OBJ File

OBJ (or .obj) is an open standard 3D mesh file format originally developed by Wavefront Technologies for 3D graphics applications, now widely adopted across industrial 3D scanning, computer aided design (CAD), additive manufacturing, and 3D visualization.
3D Scanning Inspection Report

2026/07/10

3D Scanning Inspection Report

A 3D scanning inspection report is a standardized, structured output document generated from industrial 3D metrology workflows that quantitatively and visually documents the geometric conformance of a physical test part against a predefined reference.