Including absolute tolerance when determining zero dimensions in

Author: marc-flex

tidy3d/components/data/unstructured/triangular.py

@@ -159,7 +159,7 @@ def _from_vtk_obj(
 
         # detect zero size dimension
         bounds = np.max(points_numpy, axis=0) - np.min(points_numpy, axis=0)
-        zero_dims = np.where(np.isclose(bounds, 0))[0]
+        zero_dims = np.where(np.isclose(bounds, 0, atol=1e-6))[0]
 
         if len(zero_dims) != 1:
             raise DataError(