Data from cameras, ion, electron, or scanning probe microscopes also comes under the category of 3D data. AI models can perform 2D and 3D annotation because they are extensively trained on large amounts of data. This training helps these models identify certain patterns based on which they perform the process of 3D annotation. If you are on the hunt to source quality data sets to trai... https://dataannotation.co/what-you-need-to-know-about-3d-annotation/