To convert a point cloud to a 3D model without manual modeling, use automated software that applies surface reconstruction or mesh generation algorithms.
These tools analyze the point cloud’s spatial data to automatically create a connected mesh or solid model, exportable to formats like STL, OBJ, or FBX for further use.
For beginners, start with user-friendly tools like MeshLab—import your point cloud, use the “Surface Reconstruction” feature, and tweak parameters (e.g., point density) to get a clean, usable model.