MeshLab is an open-source, portable, and extensible system designed for processing and editing 3D triangular meshes. It offers a comprehensive suite of tools for managing and improving 3D models, including capabilities for rendering, editing, cleaning, inspecting, and converting meshes, facilitating tasks like surface reconstruction, smoothing, and remeshing. MeshLab is widely used in fields such as 3D printing, cultural heritage for 3D digitalization, and scientific visualization. The software runs on Windows, MacOS, and Linux, supporting a range of formats for import and export.