Last week I released Printsight — an open-source CLI tool that detects 3D print defects from a photo using pure OpenCV. The feedback was consistent: "The text report is useful, but show me where on the print the problems are." So that's exactly what v0.2 does: printsight my_print.jpg --annotate # → my_print_annotated.png with color-coded defect markings Enter fullscreen mode Exit fullscreen mode What You Get Run with the --annotate flag and Printsight saves a marked-up version of your photo: printsight failed_print.jpg -a Enter fullscreen mode Exit fullscreen mode The output image uses four colors: Color What it marks 🔴 Red Stringing — thin polylines over detected wisps 🟡 Yellow Layer issues — horizontal bands where regularity is poor 🔵 Blue Warping — circles on lifted corners 🟢 Green Reference line — where the bottom edge should be Plus a score overlay in the top-right corner.…