Even easier to reproduce without custom mesh using:
from dolfin import * mesh = BoundaryMesh(UnitCubeMesh(5, 5, 5), "exterior") E = FunctionSpace(mesh, "B", 3)
Even easier to reproduce without custom mesh using:
from dolfin import * UnitCubeMesh( 5, 5, 5), "exterior")
mesh = BoundaryMesh(
E = FunctionSpace(mesh, "B", 3)