# Fenris Creations open-sources CORTAO ambient occlusion technique tested in EVE Frontier

In Brief:Fenris Creations released CORTAO (Circular Occluder Ray-Traced Ambient Occlusion), an open-source rendering technique, on Nov. 12, 2026.Senior Rendering Engineer Daniel Isheden created it. It's available through the Carbon engine and in a standalone GitHub repository under the MIT license.T

| Fact | Value |
| --- | --- |
| Published | 13 November 2026 |

Source: https://cryptogames.gg/fenris-creations-open-sources-cortao-ambient-occlusion-technique-tested-in-eve-frontier/