Eclipse Papyrus offers extensive customization options for various components, including UML profiles, model explorers, diagram styles, property views, palettes, and creation menus, allowing it to cater to any specific domain. This powerful tool supports model-based methodologies such as simulation, formal testing, safety analysis, performance trade-offs, and architectural exploration. As an open-source Model-Based Engineering platform of industrial quality, Eclipse Papyrus has been successfully implemented in numerous industrial projects and serves as the foundational platform for a range of industrial modeling tools. Additionally, it provides robust support for SysML, facilitating model-based system engineering processes. The design of Eclipse Papyrus's modeling features emphasizes customization and aims to enhance the potential for reuse across different projects and applications. By integrating these capabilities, Eclipse Papyrus stands out as a versatile solution for engineers and developers alike, streamlining their modeling efforts while ensuring flexibility and efficiency.