"Pftrack-2017-06-23-grieta-completa" refers to a 2017 project file likely focused on tracking a surface crack using PFTrack 2017's node-based system for photogrammetry and matchmoving. The workflow typically involves auto-tracking, manual user tracking, camera solving, and scene orientation, leveraging the software's capabilities to align 3D assets with 2D footage. For more tutorials and resources on using PFTrack, visit the Pixel Farm’s learning page.