The Complexity and Quality in 3D Digitisation of the Past: Challenges and Risks Towards sustainable digitization -- Technology solutions for complex and challenging survey projects -- Evolving Standards in Digital Cultural Heritage - Developing a IIIF 3D Technical Specification -- The Quality in 3D Acquisition of Cultural Heritage Assets: Challenges and Risks -- How to measure Quality Models? Digitization into Informative Models Re-Use -- The Holistic Documentation of movable cultural heritage objects - the case of the Antikythera Mechanism -- "Digital Documentation of Reflective Objects: A cross-polarised photogrammetry workflow for complex materials".