In 3D scanning, accuracy is a key metric in choosing which model to use for your project.
How accurately do you need to replicate the physical model? In other words, how authentic do you want the 3D digital model of the real object to be?
High end 3D scanners like eviXscan Quadro+ can achieve up to 0.007mm (7 microns) accuracy, while lower end 3D scanners like EinScan SP can still achieve an accuracy up to 0.05mm (50 microns). Accuracy of a 3D scanner depends on the quality of the camera, projector lights as well as the software.
Meanwhile there is another important metric, resolution. Resolution is about defining the point distance the 3D scanner can capture to generate the point cloud which is then converted into a mesh. If you 3D scan your object in high resolution, the point distance is small thus details will be more visible, while if you 3D scan your object in low resolution, the point distance is bigger.
Below is a guideline of resolution settings that is optimal depending on the type of objects you are 3D scanning. Basically the recommendation is the smaller the object, use high detail (higher resolution) and the larger the object, use low detail (lower resolution) settting.
The Einscan Pro HD and EinScan 2X 2020 provde super high resolution with HD scan mode and setting the resolution to "High Detail". This kind of high detail captures is useful for objects with that has a lot of details like the object below. On the other hand, large engineering parts may not require such detail but higher accuracy.
Basically the tip is to think about what you are going to do about your 3D scan file and choose the right resolution setting depending on the object you are 3D scanning.
Growshapes the official U.S. distributor of Shining 3D EinScan 3D scanners. We now carry the eviXscan 3D scanner from Evatronix as well!
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