Creating bronze sculptures with varying surface finishes is a meticulous process that combines ancient techniques with artistic innovation. Artists typically begin with the lost wax casting method, where a wax model is encased in ceramic before molten bronze replaces it. The real magic happens in post-casting treatments:

1. Mechanical Texturing: Artists use chasing tools, sandblasting, or hand-carving to create different surface patterns - smooth areas might be polished while others show tool marks.

2. Patina Chemistry: Multiple chemical patinas are applied sectionally. A single sculpture might feature:

- Verdigris (green) from copper acetate

- Earth tones from ferric nitrate

- Blackened areas with liver of sulfur

Each application requires precise torch heating and layer sealing.

3. Wax Resist Technique: Artists mask areas with wax before patina application, allowing adjacent sections to receive different treatments. This creates dramatic contrasts between glossy and matte, or colored and natural bronze surfaces.

4. Mixed Media Integration: Some incorporate other materials like gold leaf or enamel for additional texture variation.

Master sculptors often develop signature finishing approaches, sometimes spending more time on surface work than the initial casting. The final piece becomes a symphony of textures - from mirror-like reflections to deliberately rough, organic surfaces - all unified by the enduring beauty of bronze.