Moncef Hassani developed and integrated a COPC 3D loader option into the example menu of the iTowns/itowns repository, expanding the range of 3D data formats accessible to users. He focused on enhancing the user interface using JavaScript and front end development skills, ensuring that loader options were more discoverable and onboarding was streamlined for new users. Moncef adhered to established contribution workflows and project conventions, managing changes through clear, traceable commits. His work addressed a specific feature need without introducing bugs, demonstrating a focused and methodical approach to UI integration and feature delivery within a collaborative open-source environment.