3DimViewer is a lightweight 3D viewer of medical DICOM datasets. The viewer is distributed as freeware software. Its license allows you to use it for non-commercial, private and educational purposes for free. Basic Features - Truly 3D viewer of volumetric data. - Multiplanar and orthogonal XY, XZ and YZ views. - Adjustable density window. - Distance and density measuring. - DICOM dataset import. - Volume rendering using shaders running on NVidia and ATI graphic cards. - Tissue segmentation based on thresholding. - Surface modeling of any segmented tissue (e.g. bones). - 3D surface rendering. - Volumetric data filtering.