Finishers

Very similar to modifiers, but logically mostly for applying final modifications to objects.

Polygonizer

Reconstructs polygons from triangles

Heal and Optimize

Polygon reduction and mesh optimization modifier

Polygon Reducer

Polygon reduction, mesh heal and mesh optimization modifier

Fix Faces Orientation

If object has faces with wrong orinettaion, this modifier may try to correct this mistake

Remove Internals

Modifier may remove non visible parts.