Contributed to the mrdoob/three.js repository by enhancing the robustness of USD data parsing, with a focus on skeletal mesh handling and animation workflows. Addressed a bug in the USDA quaternion parsing logic, ensuring correct orientation data for accurate animation playback. Developed a feature to infer missing element sizes for skeletal joint attributes in the USDAParser, improving the interpretation of joint indices and weights based on vertex count. These changes reduced rendering issues and improved support for skeletal animation data. The work demonstrated strong skills in 3D graphics, JavaScript, and web development, emphasizing code reliability and collaborative problem-solving.