Worked on enhancing the reliability and maintainability of the GLTF export process within the mrdoob/three.js repository, focusing on the GLTFExporter component. Addressed a longstanding issue by removing a legacy image export fallback, streamlining the export logic to use a direct canvas.toDataURL approach. This change eliminated the need for a complex multi-path export flow, reducing code complexity and the risk of export-time failures. The update improved the predictability of file exports across various canvas contexts and simplified future maintenance. The work leveraged JavaScript and 3D graphics expertise, with an emphasis on robust file export mechanisms and clean code practices.