When 3D-scanning we are mainly using the photogrammetry method. Many objects are suitable for this scanning technique. We are also using laser scanning and structured light scanning. Small objects that is suitable for 2 1/2 axis scanning, such as medals, are scanned with a needle scanner.
We are experienced in creating digital copies with colour information of, for example, culturally interesting objects, used in exhibition contexts, such as museums but also for visualizations and animations etc.
There are some general rules for objects to be 3D-scanned.
– The objects must not move or have moving parts in motion.
– They must not be reflecting or transparent, though, in some cases, reflecting surfaces and transparent objects can be spray-coated with a removable powder.
For photogrammetry a structure/texture is needed. Completely smooth and monochrome objects are problematic – laser and structured light work better here, but, on the other hand, these methods involve other limitations. As mentioned, there are solutions where we spray objects if required. The needle scanner can handle both reflecting and transparent objects, but is limited in size and only able to perform 2,5 axis scans. The best solution is where we are presented with a photo of the object to be scanned and we will evaluate whether a 3D-scan is easily done or if we need to compromise in some way. We will also get a good idea of the cost.
The needle scanner
can handle transparent and reflecting objects, but is only able to perform 2,5 axis scannings. However, in some cases, if the reverse side is scanned separately it can be combined with the front to complete a full object.
A needle scanner is suitable for reliefs such as medals and similar objects.
Our most common 3D-scanning method is based on photographs. This method is relatively fast and is able to handle many situations and object sizes. We have scanned objects sized from house fronts down to small nuts. The technology requires objects with information such as texture or varying colours. An object can be painted if it does not have these properties. If desired the 3D-file can be delivered with texture – i.e. the image information from the original object.
3D-scanned and models printed in nylon.
Models moulded and cast in bronze.