Use the Geom Match Topology tool to fix gaps between stitched edges and vertices to make the actual geometry of the surfaces consistent with the model topology.

To access this tool, click Geometry > Geom Match Topology from the menu bar.

This tool checks the topology of the model for gaps that are larger than a given tolerance between shared, non-manifold, or suppressed edges. If a gap is found to be bigger than the specified tolerance, then the surface and edge geometries will be morphed parametrically and in 3D, if necessary, to make the gap smaller than the tolerance. In addition, non-essential degenerate edges are removed.

The original geometric entity IDs are also preserved. The same functionality is used for the Optimize for CAD option in the Export - Geometry tab.

Example

This example demonstrates the difference in results when using the Geom Match Topology tool to update geometry that has previously been repaired with topology-based geometry cleanup operations (for example, toggle/equivalence/replace edges, replace points, and so on).

Unrepaired geometry

The geometry below was repaired using only topology-based geometry cleanup operations. After the geometry was meshed, you can see that some of the elements have become distorted. After untoggling the edges, there is still a large gap in the geometry.

The geometry below was repaired using topology-based geometry cleanup operations and then updated with the Geom Match Topology tool. After the geometry was meshed, you can see that there are no distorted elements. After untoggling the edges, there is not a gap in the geometry.