gmsh + meshio — Mesh Generation and I/O Two libraries, one pipeline: gmsh builds and meshes geometry, meshio moves meshes between formats. Together they are the standard way to go from "I need a computational domain" to "I have a mesh file my solver can read." Core Mental Model Reference Documentation gmsh docs : https://gmsh.info/doc/texinfo/gmsh.html gmsh Python API : https://gmsh.info/doc/texinfo/gmsh.html#Specifying-mesh-element-sizes meshio GitHub : https://github.com/sigma-py/meshio meshio docs : https://meshio.readthedocs.io/ Search patterns : , , , Core Principles gmsh Must Be Initial…