Thank you Mauro. I tried your code and found interesting things about my model. Following is the total number of facets, manifold edges, non-manifold edges and boundary edges at different steps of the code.
| Facets | Manifold Edges | Non-manifold Edges | Boundary Edges | |
|---|---|---|---|---|
| Original | 388040 | 538460 | 0 | 87200 |
| After geometryFilter | 388040 | 538460 | 0 | 87200 |
| After filler | 420924 | 608186 | 6242 | 21432 |
| After cleanFilter | 420924 | 226084 | 174987 | 0 |