How to get high-quality scan data from your laser scanner every time
If you haven’t done much 3D scanning in the past, it can be a bit difficult to develop a reliable process for producing high-quality scans every time.
3D scanners have come a long way over the last few decades. The models available on the market today are much more capable than their predecessors and have a much greater tolerance for user error.
However, there is only so much that a scanner can do to improve the results of your work. If you want good results from your scanner every time, then you need to develop a consistent routine and a stable environment for conducting your scanning.
Control Your Scanning Environment
If at all possible you should set up a dedicated room to do your 3D scanning in. If you can control every aspect of the environment that you scan in, then it is a lot easier to ensure that you are getting good scans every time. Furthermore, you can ensure that the conditions are consistent every time you scan, which reduces uncertainty. If the lighting and other variables are different every time you scan, you’re going to find it much harder to get consistently good results.
Any movement of your scanner or the object you are scanning will lead to noise and a lower quality scan. You need to keep your scanning environment free from any equipment that is likely to cause vibrations. In almost all circumstances, you will want to scan indoors. Scanning outdoors creates a whole host of problems of its own, but if you are forced to scan outdoors, then make sure you have a shaded area that is shielded from direct sunlight in which to do it.
Fix The Subject Properly
If you want to get a high-quality scan, then you need to ensure that the object you are scanning is fixed in place properly. Even a slight movement of the subject can reduce the quality of your scan and might even render it useless for your needs. If possible, you should place the object you are scanning on a completely flat and level surface.
If you are scanning an object that is awkwardly shaped and won’t sit properly on a flat surface, then you can use either clay or putty to hold it in place.
Use A Specialized Aerosol To Help You Scan Difficult Areas
A 3D laser scanner will find it difficult to scan areas of objects that are particularly dark, reflective, or transparent. These surfaces will scatter light and create distortions in the final image. In order to circumvent this problem, it is worth investing in a specialized aerosol. These aerosols will coat the object in a white powdery substance that that creates a matte finish.
The addition of this matte finish will enable the scanner to scan the affected area properly. Once the scan is complete, the finish is easy to wipe away without leaving any residue.
If you haven’t done much 3D scanning in the past, it can be a bit difficult to develop a reliable process for producing high-quality scans every time. However, if you stick to the advice that we outlined above, you can establish a consistent routine that will always ensure a useable scan.
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