Cull faces with long edges.
delaunay_mesh_2021Jan9a.gh (70.0 KB)
P.S. Instead of culling faces based on perimeter length, you can use length of longest edge:
delaunay_mesh_2021Jan9b.gh (73.3 KB)
Cull faces with long edges.
P.S. Instead of culling faces based on perimeter length, you can use length of longest edge: