We analyze the engineering and practical challenges of using a star's gravitational lens for interstellar communication [Download paper here](https://sekerby.github.io/files/Kerby_2021_AJ_162_252.pdf) Recommended citation: Kerby & Wright (2021). "Stellar Gravitational Lens Engineering for Interstellar Communication and Artifact SETI" The Astrophysical Journal. 162 6 252. 