The Bas-Relief add-on enables users to generate 3D height maps from flat 2D images directly within Blender. It utilizes the MiDaS DPT-Hybrid AI model to estimate depth, automatically downloading the necessary model files during its initial setup.

The tool relies on external Python libraries, specifically PyTorch and OpenCV, to process the image data into depth maps. The resulting height maps can be applied to meshes via displacement or sculpting workflows, making the tool suitable for preparing assets for 3D printing, CNC machining, or digital art.