Relative image position discrepancies, centered based on the GLEE observed image positions. All distances are measured relative to the brightest image, A1. We note Lenstronomy requires the observed and predicted image positions to align. Image A2 also lies closest to the satellite, which is unconstrained in HST data, likely causing their largest discrepancy in image position. Our models demonstrate astrometry well within the requirements for time-delay cosmography (Birrer & Treu 2019) and thus offer much tighter constraints than the previous HST-based GLEE models.