The 3d Scanning Process
At 3DMARK we use the EinScan Pro HD. This is a handheld, portable scanner with unparalleled performance when capturing high resolution scans. Being handheld provides exceptional versatility and portability when 3d Scanning . The only requirement is to have a standard 240v power point to power the unit. The Einscan Pro HD is a professional-grade 3D scanner and provides an irreplaceable asset for Designers and Engineers alike.
With the adoption of a new structure light projection and stripe pattern scanning, originally only available with traditional Fixed Scan Modes this feature is now utilised in the Handheld HD Scan Mode. With an optimised algorithm and a 0.2mm minimum point distance setting, it brings high resolution and accuracy to handheld scanning once only available under fixed scanning conditions.
3D scanners work with structured light using the principles of triangulation. The sensor projects a precise shifting fringe pattern across the part's surface, and two cameras capture
the surface geometry based on the pattern distortion, calculating 3D coordinate measurements. The 3D scanner collects and processes millions of X-Y-Z data points into a "point cloud,"
creating a detailed digital copy of the object. Since the distance between the sensor, cameras, and angles is all known, the principle of triangulation is applied, producing accurate,
reliable measurement results.
Detailed Steps
#1. Start with an object you want to scan. Depending on the nature of the surface, some gloss and highly reflective surfaces will need powder applied to dull the surface and ensure an accurate scan is achieved.
#2. Using the Einscan Pro HD, a scan is taken of the object. Sometimes several scans are required to capture all sides of an object, and then combined to create a single closed part. At this stage the data is in point cloud format.
#3. Using Einscan proprietary software, the point cloud data is processed and converted to mesh data. At this stage, any unnecessary scan data can be deleted.
#4. The mesh data is then exported as an STL file. This file type can be imported into various CAD packages including Solidworks, Solidedge, Autodesk Inventer etc
#5. Depending on the purpose of the scan and client requirements, the next steps may include reverse engineering the model or 3d printing. Or can be used as reference data to design other components and assemblies.