Sebastian Witt developed a configurable material layer color conversion feature for DWG and DXF imports in the specklesystems/speckle-sharp-connectors repository. He implemented this enhancement as a configuration-driven option within the import pipeline, allowing users to improve the fidelity of materials in imported designs while minimizing disruption to existing workflows. Using C# and leveraging his expertise in file handling and software development, Sebastian ensured the solution was robust and maintainable. His work included code cleanup and formatting improvements, resulting in more consistent data transfer across platforms and reducing the need for manual adjustments during downstream design review processes.