3D Spark is a manufacturing software startup from Hamburg, Germany. 3D Spark’s web-based platform analyzes 3D CAD files, 2D drawings and metadata to suggest the lowest-cost, fastest and most sustainable manufacturing process. Industrial 3D printing technologies and common conventional manufacturing methods such as milling and casting are evaluated and compared. 3D Spark’s functionality and dashboard are optimized for OEMs and manufacturing service providers who regularly produce new and spare parts. In particular, railway technology companies have been using 3D Spark to reduce production costs and delivery times while increasing supply chain security and component performance.