Polygon modelling manipulates vertices and faces directly. Sculpting pushes and pulls a dense surface as though it were clay. Both produce meshes; they suit opposite kinds of form.
Polygon modelling
- Precise. Exact dimensions, clean edges, controlled topology.
- Efficient. Only as many polygons as the form needs.
- Suited to hard surfaces: machinery, architecture, vehicles, furniture, weapons.
- Slow for organics. Building a face by moving vertices is possible and painful.
Sculpting
- Fast for form. Blocking out a creature in minutes rather than hours.
- Intuitive. Working with volume and silhouette rather than with structure.
- Suited to organics: characters, creatures, cloth, terrain, natural detail.
- Produces unusable topology by design, requiring retopology afterwards.
Hard surface sculpting
The boundary blurs. Sculpting tools have gained precise booleans, hard-edge brushes and masking that make mechanical work viable. Many artists block out in polygons, sculpt the detail, then retopologise.
The combined workflow
The standard path for a detailed asset:
- Block out the primary forms — polygons or sculpting, whichever suits.
- Sculpt the secondary and tertiary detail.
- Retopologise to a clean, efficient mesh.
- Unwrap.
- Bake the sculpted detail into normal and other maps.
- Texture.
Where generation fits
It substitutes for the first two stages. A generated mesh is, in pipeline terms, a sculpt: a dense high-detail shape with no usable topology. Everything from retopology onward is unchanged, which is why understanding the sculpting pipeline explains the generation one.