1. 3D Scanning is costly

  3D Scanning an object, part or construction may initially appear expensive, especially for smaller budgets. However, one of the most important benefits of the process lies in saving time and money due to time-consuming or mistaken measurement, especially if they need to be repeated to achieve good accuracy. As a result, what appeared initially as the lower-cost option ends up costing a great deal more than what seemed more expensive. After all, time is money.

2. It lacks accuracy

 The accuracy required for every application is one of the factors that will determine the methodology to be followed. Clearly, not every 3D Scanner is not appropriate for every application. In the last few years, 3D Scanners have become increasingly improved and can offer excellent accuracy even in small obljects with detailed geometry.

In addition, 3D Scanning can always be combined with other measuring instrument to ensure high accuracy, by a specialised technician with experience in 3D Scanning as well as in measuring methods. Let us also not forget that accuracy is nothing more than the highest deviation.

3. 3D Scanning is not worth the cost for small objects

One isolated part may be easier to design than the entire assembly, but often the geometry of the part is difficult to measure using traditional measuring instruments and methodology, due to curvature, inclination, grooves etc. In these cases, 3D Scanning is the best (if not  the only) solution, even for small parts.

4. Anyone can do it.

 3D Scanning is a method of measurement that, aside from the appropriate equipment, which anyone can buy, although different applications do call for different types of scanners, requires an experienced operator, who knows their equipment, its capabilities and limitations.

The operator must also possess the ability to "foresee" the results of the scans and "compose" them in their mind, visualising the end result, so that they can place the scanner in the right positions in relation to the object, whether it's a small statue or a multi-room building. The operator acquires these skills through specialised training and a lot of practice and trial and error.

5. 3D Scanning produces a CAD design for alterations and measurement in relevant software

The results of the 3D Scanning process are not Autocad, Inventor or Solidworks; they are point-cloud files - an accurate representation of the object consisting of thousands or millions of points. This can be enough for measurement or surveying, or even redesign.

However, if we want to process it and make changes, we have to create a CAD model - a process that takes time to produce accurate results but allows us to process our objects any way we like in any CAD software.

6. I'll be able to see inside the object.

Will I see inside my objects?This is something we are often asked. In reality, 3D Scanning is an optical measurement method and there are limitations on what sides of the object can be captured. Every point of interest will need to be visible to the scanner to ensure it is accurately represented. Reflective surfaces and transparent objects can be scanned, but must be sprayed with non-reflective spray.

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