
3D Scanning is a non-contact type, non-destructive technology that digitally captures the shape of physical objects using a structured light source or lasers. 3D Scanning is a way to capture a physical object's features, size, color, and shape into the computer cad universe as a digital 3-dimensional representation.
3D Scanning is a non-contact, non-destructive optical technology that captures the precise physical geometry, scan dimensions, and surface characteristics of real-world objects. By utilizing advanced structured light or laser measurement systems, 3D scanners generate dense scan datasets, known as point clouds, to reconstruct physical assets as high-fidelity 3D digital models within CAD environments. This bridge between physical reality and digital engineering enables seamless reverse engineering, rapid prototyping, quality control, and digital archiving.
| Technology | Precision | Optimal Distance | Key Advantage | Typical Use Case |
|---|---|---|---|---|
| Contact (CMM) | ± 0.010 mm | Touch Contact | True boundary surface accuracy | Critical hole/bore machining tolerances |
| Structured Light | ± 0.100 mm | < 400 mm | High resolution & speed | Fine injection molds, organic/human geometry |
| Laser Triangulation | ± 0.025 mm | <105 mm | Handles dark/shiny materials well | On-site reverse engineering & shop floor QC |
| Terrestrial Lidar Scanning | ± 2 mm | Up to 150 m | Extreme operating range | Architecture, civil engineering, site surveys |
| Photogrammetry | Variable | Any range | Full-color texture detail & scalability | Visual effects (VFX), AR/VR digital twins |