3Dskannere

3Dskannere, also known as 3D scanners, are devices that analyze real-world objects or environments to collect data on their shape and appearance. This data can then be used to create digital three-dimensional models. The process typically involves projecting light or lasers onto an object and measuring the reflected light. Different types of 3D scanners exist, each with its own strengths and applications.

Contact scanners physically touch the object to measure its geometry, such as coordinate measuring machines (CMMs). Non-contact scanners, on the other hand, use optical or laser-based methods. Optical scanners might employ structured light, projecting patterns of light onto the object and analyzing the deformation of these patterns to determine depth. Laser scanners use a laser beam and measure the time it takes for the beam to reflect back or the angle of the reflected beam.

The output of a 3D scanner is usually a point cloud, which is a set of data points in three-dimensional space representing the surface of the object. This point cloud can then be processed into a mesh, forming a solid surface model.

3D scanning technology has a wide range of applications. In manufacturing, it is used for quality control, reverse engineering, and rapid prototyping. In cultural heritage, it helps preserve artifacts and historical sites by creating detailed digital records. The entertainment industry utilizes 3D scanners for creating realistic characters and environments in films and video games. Medical fields employ them for prosthetics, surgical planning, and anatomical studies.