This volume brings together a wide-ranging selection of papers from the 9th International Congress on 3D Printing Technologies and Digital Industry 2025 (3DPTC2025), highlighting the expanding intersections between digital transformation, intelligent systems, and sustainable industrial practices. Covering advances in VR-enabled education, teleoperated robotics, cybersecurity, blockchain-integrated manufacturing, and AI-driven analytics, the chapters present innovative methods for optimization, monitoring, simulation, and automation across industrial, biomedical, transportation, and governance domains.

Showcases AI, VR, and robotics driving nextgeneration automation, monitoring, and digital learning Explores secure, data-driven industry solutions using blockchain, edge computing, and advanced analytics Highlights digital twins, predictive maintenance, and sustainable transformation across key sectors

Inhalt

Operational Challenges in the Digital and Sustainable Industry.- Mechatronics Workshop in Virtual Reality: A Digital Learning Platform.- DataDriven Spintronics: Integrating Micromagnetic Simulation, Machine Learning, and Bayesian Optimization.- Teleoperated VR-Controlled Robotic Housekeeping.- Foundry 4.0: Recasting Industry 4.0 for Metal Casting.- Blending Blockchain with Manufacturing for Developing Smart and Secured Process: A Review, Framework and Implementation.- Variability as an Object of The Management Strategy of The Active System Group in The Safety System.- Mathematical Description of the Process of Drying Grain by the Convective Method.- Problems of Technical Regulation in the Age of Information Technologies.- Optimization of Femoral Shaft Fracture Fixation Design with a DFX Approach: A Biomechanical and Manufacturing-Oriented Evaluation.- Hybrid Rendering using Rasterization and Ray Tracing: An Adaptive Ray Budget Allocation Approach for Real-Time and Photorealistic Graphics.- Neural Network Applications of Behaviour Analysis for Marketing Optimization.- Determining the Color of the Object's Surface by Spectrophotometric Method.- Parameter Identification of PV Panels Through Metaheuristic Algorithms: A Comparative Study.- Intelligent Monitoring System for Regulating the Movement and Speed of Railway Transport Vehicles.- Optimization of Training Speed in Machine Learning using Distributed Parallel Systems.- A Fuzzy Logic Approach to Big Data Analysis.- Swin Transformers for Real-Time Visual Defect Detection in Industrial Metal Components.- Design and Development of Fixed-Wing UAV for Predictive Maintenance and Maintainability Approach.- Building Patient Digital Twins: Data Foundations and Integration Pathways.- Permission-Based Machine Learning Model for Android Malware Detection.- Edge Computing-Based Offline Turkish Voice Command Recognition for Smart Home Automation.- Experimental Assessment of the Physical and Mechanical Characteristics of Compost.- Decarbonizing the Iron and Steel Industry: Awareness of Green Transformation and Climate-Friendly Production in Turkish Enterprises.- Blockchain-Integrated Security in Cloud Computing: Challenges, Solutions, and Future Trends for IoT Applications.- Advancing Human-Centered E-Governance in Society 5.0 through Responsible Integration of AI and Multimedia Technologies.- RegTech: The Role of AI for Regulatory Compliance.- Predicting Traffic Accident Risk using Machine Learning: A Comparative Study of Ensemble and Classical Models.- The Role of Sentiment Analysis (SA) and Opinion Mining (OM): Levels, Techniques, Tools and Application Perspectives.- Assessment of ChatGPT-5 and ChatGPT-4o Performance on Orthodontics Multiple-Choice Questions.- Assessing the Structural Performance of Laminated Glass with Mixed Boundary Conditions for Failure Mitigation.- Insights into Road Digital Twins for Next-Generation Intelligent Mobility.- Operational Challenges in the Digital and Sustainable Industry.- Mechatronics Workshop in Virtual Reality: A Digital Learning Platform.- DataDriven Spintronics: Integrating Micromagnetic Simulation, Machine Learning, and Bayesian Optimization.- Teleoperated VR-Controlled Robotic Housekeeping.- Foundry 4.0: Recasting Industry 4.0 for Metal Casting.- Blending Blockchain with Manufacturing for Developing Smart and Secured Process: A Review, Framework and Implementation.- Variability as an Object of The Management Strategy of The Active System Group in The Safety System.- Mathematical Description of the Process of Drying Grain by the Convective Method.- Problems of Technical Regulation in the Age of Information Technologies.- Optimization of Femoral Shaft Fracture Fixation Design with a DFX Approach: A Biomechanical and Manufacturing-Oriented Evaluation.- Hybrid Rendering using Rasterization and Ray Tracing: An Adaptive Ray Budget Allocation Approach for Real-Time and Photorealistic Graphics.- Neural Network Applications of Behaviour Analysis for Marketing Optimization.- Determining the Color of the Object's Surface by Spectrophotometric Method.- Parameter Identification of PV Panels Through Metaheuristic Algorithms: A Comparative Study.- Intelligent Monitoring System for Regulating the Movement and Speed of Railway Transport Vehicles.- Optimization of Training Speed in Machine Learning using Distributed Parallel Systems.- A Fuzzy Logic Approach to Big Data Analysis.- Swin Transformers for Real-Time Visual Defect Detection in Industrial Metal Components.- Design and Development of Fixed-Wing UAV for Predictive Maintenance and Maintainability Approach.- Building Patient Digital Twins: Data Foundations and Integration Pathways.- Permission-Based Machine Learning Model for Android Malware Detection.- Edge Computing-Based Offline Turkish Voice Command Recognition for Smart Home Automation.- Experimental Assessment of the Physical and Mechanical Characteristics of Compost.- Decarbonizing the Iron and Steel Industry: Awareness of Green Transformation and Climate-Friendly Production in Turkish Enterprises.- Blockchain-Integrated Security in Cloud Computing: Challenges, Solutions, and Future Trends for IoT Applications.- Advancing Human-Centered E-Governance in Society 5.0 through Responsible Integration of AI and Multimedia Technologies.- RegTech: The Role of AI for Regulatory Compliance.- Predicting Traffic Accident Risk using Machine Learning: A Comparative Study of Ensemble and Classical Models.- The Role of Sentiment Analysis (SA) and Opinion Mining (OM): Levels, Techniques, Tools and Application Perspectives.- Assessment of ChatGPT-5 and ChatGPT-4o Performance on Orthodontics Multiple-Choice Questions.- Assessing the Structural Performance of Laminated Glass with Mixed Boundary Conditions for Failure Mitigation.- Insights into Road Digital Twins for Next-Generation Intelligent Mobility.