Computational Aspects of
Number: CS 15-462
Instructor: Stelian Coros
Office Hours:
By Appointment
Time: TR 1:30PM-2:50PM
Location: GHC 4303


This graduate level course investigates research challenges in computational fabrication, and it will provide an overview of additive manufacturing technologies, digital geometry representations, optimization methods, physically-based simulation and forward and inverse models for computer-aided design. Check out the course poster for additional information.

Schedule of Presentations

Nurcan Gecer Ulu (Feb 19)

R. Prevost, E. Whiting, S. Lefebvre, and O. Sorkine-Hornung, “Make It Stand: Balancing shapes for 3D fabrication” ACM Transactions on Graphics (Proceedings of SIGGRAPH)

N. Umetani, T. Igarashi, and N. J. Mitra, “Guided exploration of physically valid shapes for furniture design,” ACM Transactions on Graphics (Proceedings of SIGGRAPH 2012)

G. Saul, M. Lau, J. Mitani, and T. Igarashi, “Sketchchair: An all-in-one chair design system for end users,” in Proceedings of the Fifth International Conference on Tangible, Embedded, and Embodied Interaction, ACM, 2011.

Xiang 'Anthony' Chen (Feb 24)

Willis, K., Brockmeyer, E., Hudson, S. and Poupyrev, I. "Printed optics: 3d printing of embedded optical elements for interactive devices." InProceedings of the 25th annual ACM symposium on User interface software and technology (pp. 589-598), 2013.

Savage, V., Chang, C. and Hartmann, B. "Sauron: embedded single-camera sensing of printed physical user interfaces." In Proceedings of the 26th annual ACM symposium on User interface software and technology (pp. 447-456), 2013.

Willis, K. D., and Wilson, A. D. "Infrastructs: Fabricating information inside physical objects for imaging in the terahertz region." ACM Transactions on Graphics (TOG), 32(4), 2013.

Hudson, S. E. "Printing teddy bears: a technique for 3D printing of soft interactive objects." In Proceedings of the 32nd annual ACM conference on Human factors in computing systems (pp. 459-468), 2014.
Erva Ulu (Feb 26)

L. Lu, A. Sharf, H. Zhao, Y. Wei, Q. Fan, X. Chen, Y. Savoye, C. Tu, D. Cohen-Or, and B. Chen, "Build-to-Last: Strength to Weight 3D Printed Objects," ACM Transactions on Graphics (Proceedings of SIGGRAPH 2014)

O. Stava, J Vanek, B Benes, N. Carr and R. Mech, "Stress Relief: Improving Structural Strength of 3D Printable Objects." ACM Transactions on Graphics (Proceedings of SIGGRAPH 2012).

N. Umetani and R. Schmidt "Cross-sectional Structural Analysis for 3D Printing Optimization", ACM SIGGRAPH Asia Technical Briefs, 2013 .
Ruta Desai (March 17)

Bächer, Moritz, et al. "Fabricating articulated characters from skinned meshes," ACM Transactions on Graphics (TOG), 2012.

Coros, Stelian, et al. "Computational design of mechanical characters," ACM Transactions on Graphics (TOG), 2013.

Cynthia Sung, Daniela Rus. "Foldable Joints for Foldable Robots," 2014 International Symposium on Experimental Robotics. Marrakech/Essaouira, Morocco. June 2014.

Se-Joon Chung (March 19)

Ma, R.R., Odhner, L.U. & Dollar, A.M. "A modular, open-source 3D printed underactuated hand," 2013 IEEE International Conference on Robotics and Automation (ICRA).

Umedachi, T., Vikas, V., & Trimmer, B.A. "Highly Deformable 3-D Printed Soft Robot Generating Inching and Crawling Locomotions with Variable Friction Legs," 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).

Hunt, G., Mitzalis, F., Alhinai, T., Hooper, P.A., Kovac, M. "3D printing with flying robots," 2014 IEEE International Conference on Robotics and Automation (ICRA).

Ye Han (March 24)

Linjie Luo, Ilya Baran, Szymon Rusinkiewicz, and Wojciech Matusik. "Chopper: partitioning models into 3D-printable parts." ACM Trans. Graph. 31, 6, Article 129, 2012.

Vanek, J., Galicia, J. A. G., Benes, B., Mech, R., Carr, N., Stava, O. and Miller, G. S., "PackMerger: A 3D Print Volume Optimizer." Computer Graphics Forum, 2014.

Alemanno, G., Cignoni, P., Pietroni, N., Ponchio, F. and R. Scopigno, "Interlocking Pieces for Printing Tangible Cultural Heritage Replicas" 12th EG Symp. on Graphics and Cultural heritage, Darmstadt (Germany), 2014.
Haocheng Liu (March 26)

Manfred Lau, Akira Ohgawara, Jun Mitani, Takeo Igarashi "Converting 3D furniture models to fabricatable parts and connectors." ACM SIGGRAPH, 2011

Mario Deuss, Daniele Panozzo, Emily Whiting, Yang Liu, Philippe Block, Olga Sorkine-Hornung, Mark Pauly, "Assembling Self-Supporting Structures."ACM SIGGRAPH ASIA, 2014.

Yu-Kun Laia, Shi-Min Hua, Ralph R. Martinb and Paul L. Rosinb, "Rapid and effective segmentation of 3D models using random walks." Computer Aided Geometric Design, Volume 26, Issue 6, 2009.
Evan Shimizu (March 30)

Tim Weyrich, Pieter Peers, Wojciech Matusik and Szymon Rusinkiewicz, “Fabricating Microgeometry for Custom Surface Reflectance,” ACM Transactions on Graphics (Proceedings of SIGGRAPH), 2009

Tom Malzbender, Ramin Samadani, Steven Scher, Adam Crume, Douglas Dunn and James Davis, “Printing Reflectance Functions,” ACM Transactions on Graphics, 2012

Anat Levin, Daniel Glasner, Ying Xiong, Fredo Durand, Bill Freeman, Wojciech Matusik and Todd Zickler “Fabricating BRDFs at High Spatial Resolution Using Wave Optics,” ACM Transactions on Graphics (Proceedings of SIGGRAPH), 2013

Arun Srivatsan (April 7)

N. Zein, I. Hanouneh, P. Bishop, M. Samaan, B. Eghtesad, C. Quintini, L. Yerian and R. Klatte, “Three-Dimensional Print of a Liver for Preoperative Planning in Living Donor Liver Transplantation,” Liver Transplantation, Vol 19, pages 1304–1310, December 2013

H. Badakhshannoory, and P. Saeedi, “Automatic Liver Segmentation from CT scans using Multi-Layer Segmentation and Principal Component Analysis,” SVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part II, Pages 342-350

Y. He, G. Xue and J. Fu “Fabrication of low cost soft tissue prostheses with the desktop 3D printer,” Scientific report, Vol 4, article number 6973, Nature, 2014

Vivek Ramachandran (April 14)

John R. Tumbleston, David Shirvanyants, Nikita Ermoshkin, Rima Janusziewicz, Ashley R. Johnson, David Kelly, Kai Chen, Robert Pinschmidt, Jason P. Rolland, Alexander Ermoshkin, Edward T. Samulski, Joseph M. DeSimone, "Continuous liquid interface production of 3D objects." Science 347.6228 (2015): 1349-1352.

Joseph T. Muth, Daniel M. Vogt, Ryan L. Truby, Yigit Mengüç, David B. Kolesky, Robert J. Wood, Jennifer A. Lewis, "Embedded 3D Printing of Strain Sensors within Highly Stretchable Elastomers." Advanced Materials 26.36 (2014): 6307-6312.

Collin Ladd, Ju-Hee So, John Muth, Michael D. Dickey, "3D printing of free standing liquid metal microstructures." Advanced Materials 25.36 (2013): 5081-5085.


April 12: Assignment 4 is out! Due on April 22.
March 17:Assignment 3 is out! Due on March 27.
Feb 12: Visit IDeATe's Digital Fabrication Lab (Hunt Library).
Feb 5: Assignment 2 is out! Due on Feb 20.
Jan 30: Assignment 1 is out! Due on Feb 6.
Jan 15: Visit IDeATe's Digital Fabrication Lab (Hunt Library).
Jan 13: Classes start!

Lecture Notes

Lecture 10: Kinematics
Lecture 9: Project Guidelines
Lecture 8: Inverse Design/FEM
Lecture 7: Forward Design
Lecture 6: Numerical Optimization
Lecture 5: CSG and Procedural Modeling
Lecture 4: Geometric Representations
Lecture 3: 3D Printing - Software
Lecture 2: 3D Printing - Hardware
Lecture 1: Intro

Last updated: April 12, 2015