In this article, aruva - empowering ideas explores the use of ChatGPT to build system diagrams using the C4 diagramming model. The author provides a prompt for software architects, focusing on the use of mermaid.js and markdown syntax to ensure the diagrams stay aligned with software functional and non-functional aspects. This post is a continuation of the authors previous work with ChatGPT and is a must-read for anyone interested in C4 diagramming. Additionally, the article concludes with a brief introduction to the authors work building world-class accelerators for businesses. With 2.4K followers on Medium, aruva - empowering ideas is a trusted source of innovative ideas and methods to bring your idea from conceptualization to reality.