Digital Surface Models (DSMs) are a valuable geospatial data source, but to analyze underlying terrain, Digital Terrain Models (DTMs) are essential. This presentation showcases dsm2dtm, an open-source tool automating the process of generating DTMs from DSMs. We will cover: - Introduction: Importance of DTMs and challenges in DTM generation workflows - Overview of dsm2dtm: Walkthrough the code and see the core functionality - Demonstration: How to use it - Use cases: Some real world applications - Contribution: How can you contribute In the meantime, checkout dsm2dtm.