Mesh from txt of coords and connectivity

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Have you tried to use mesheditor?

L-shape mesh generation with right element

The link above showed how to make it for a single cell. In this post I’ve now added a simple L-shape mesh with “left” diagonals. import matplotlib.pyplot as plt from dolfin import * import numpy # Create mesh object and open editor mesh = Mesh() editor = MeshEditor() topological_dim = 2 geometrical_dim = 2 num_local_vertices = 8 num_global_vertices = num_local_vertices # True if run in serial num_local_cells = 6 num_global_cells = num_local_cells editor.open(mesh, "triangle", topological_dim, …