3DL file format is used by LightConverse software. 3DL file store a 3D scene data. 3D models stored in 3DL format offer high quality image rendering. 3DL files allow rendering models with multiple light sources in real-time. 3DL files also contains references to used bitmaps, mesh data, and material attributes.

LightConverse tool allows user to create custom 3D visualizations by taking full control over lighting and experiment with settings to achieve desired effect.