DOI: 10.5281/zenodo.17942353
title: Constraint-based form-finding of space trusses for Injection 3D Concrete Printing through Vector-based Graphic Statics - Data

description: README.txt

------------------------------------------------------------1. Title of Dataset------------------------------------------------------------Constraint-based form-finding of space trusses for Injection 3D Concrete Printing through Vector-based Graphic Statics - Data

------------------------------------------------------------2. Authors------------------------------------------------------------- Yinan Xiao, Institute of Structural Design, Department of Architecture, Faculty of Architecture, Civil Engineering and Environmental Sciences, Technische Universität Braunschweig, Germany- Prof. Dr. Norman Hack, Institute of Structural Design, Department of Architecture, Faculty of Architecture, Civil Engineering and Environmental Sciences, Technische Universität Braunschweig, Germany- Prof. Dr. Harald Kloft, Institute of Structural Design, Department of Architecture, Faculty of Architecture, Civil Engineering and Environmental Sciences, Technische Universität Braunschweig, Germany- Prof. Dr. Dirk Lowke, Professorship of Binder Jetting Technology, Department of Materials Engineering, TUM School of Engineering and Design, Technical University of Munich, Germany- Prof. Dr. Inka Mai, Robot-Assisted Manufacturing of the Built Environment, Insitute of Civil Engineering, Faculty VI - Planning Building Environment, Technical University of Berlin, Germany- Prof. Dr. Pierluigi D'Acunto, Professorship of Structural Design, Department of Architecture, TUM School of Engineering and Design, Technical University of Munich, Germany

Contact: 0009-0008-4606-5201

------------------------------------------------------------3. Description------------------------------------------------------------This dataset accompanies the paper *Constraint-based form-finding of space trusses for Injection 3D Concrete Printing through Vector-based Graphic Statics*and contains all relevant data for reproducing and understanding the workflow from computational form finding to physical fabrication.

Included files:1. Grasshopper Definition (.ghx) — The parametric model used for form finding.2. 3DM Files (.3dm) — Generated and laser-scanned geometries for comparison.3. MP4 Files (.mp4) — Videos documenting the additive manufacturing / robotic printing process.

------------------------------------------------------------4. File Overview------------------------------------------------------------| File Type | Folder / File Name Example | Description ||------------|----------------------------|--------------|| .ghx | /scripts/form_finding_definition.ghx | Grasshopper file performing structural form finding. || .3dm | /geometry/generated_form.3dm /geometry/laser_scan.3dm | Mesh geometries: computational vs. scanned. || .mp4 | /videos/printing_sequence_01.mp4 | Video documentation of the printing process. |

------------------------------------------------------------5. Software Requirements------------------------------------------------------------- Rhinoceros 7 or later- Grasshopper (pre-installed with Rhino)- Optional plug-ins: Karamba3D, CEM, VGS, Human- Any 3D viewer for .obj files (e.g., MeshLab, Rhino, Blender)- Standard media player for .mp4 files

------------------------------------------------------------6. Data Usage and Reproduction------------------------------------------------------------To reproduce the workflow:1. Open the .ghx file in Rhino + Grasshopper.2. Adjust parameters as needed (e.g., boundary conditions, loads, constraints).3. Export resulting geometries to .obj format.4. Compare exported .obj to the laser-scanned version using Rhino or CloudCompare.5. Review the .mp4 files for fabrication details and material behavior.

------------------------------------------------------------7. Structure of the Repository------------------------------------------------------------/formfinding_data/│├── scripts/│   └── CEM_VGS_Bridge_Fm_Fc.ghx│├── geometry/│   ├── Digital_Model_Bridge_Fm_Fc.3dm│   └── Laser_Scan_Bridge.3dm│├── videos/│   └── Video_Bridge_HD.mp4│└── README.txt

------------------------------------------------------------8. File Naming Conventions------------------------------------------------------------- CEM_VGS_*.ghx : Form-finding scripts- Digital_Model_*.3dm : Computationally derived geometries- Laser_Scan_*.3dm : Laser_scanned geometries- Video_*.mp4 : Recorded fabrication sequences

------------------------------------------------------------9. License------------------------------------------------------------This dataset is released under the Creative Commons Attribution 4.0 International (CC BY 4.0) license.You are free to share and adapt the material with proper attribution.

------------------------------------------------------------10. Citation------------------------------------------------------------Please cite this dataset as:Xiao Y., Hack N., Kloft H., Lowke D., Mai I., D'Acunto P., Constraint-based form-finding of space trusses for Injection 3D Concrete Printing through Vector-based Graphic Statics - Data, Zenodo, 2025, DOI: https://doi.org/10.5281/zenodo.17942354

------------------------------------------------------------11. Funding and Acknowledgements------------------------------------------------------------The research was partially supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)under project number 414265976 – TRR 277: Additive Manufacturing in Construction.

------------------------------------------------------------12. Related Publications------------------------------------------------------------Xiao Y., Hack N., Kloft H., Lowke D., Mai I., D'Acunto P., Constraint-based form-finding of space trusses for Injection 3D Concrete Printing through Vector-based Graphic Statics, Additive Manufacturing, vol. 103, 2025, DOI: https://doi.org/10.1016/j.addma.2025.104751

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