Fabrication-aware Design with Intersecting Planar Pieces

We propose a computational design approach to generate 3D models composed of interlocking planar pieces. We show how intricate 3D forms can be created by sliding the pieces into each other along straight slits, leading to a simple construction that does not require glue, screws, or other means of su...

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Bibliographic Details
Published in:Computer graphics forum Vol. 32; no. 2pt3; pp. 317 - 326
Main Authors: Schwartzburg, Yuliy, Pauly, Mark
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Publishing Ltd 01.05.2013
Subjects:
3-D graphics
Algorithms
Analysis
Automation
Computer graphics
Design engineering
I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling-Physically based modeling
Rigidity
Screws
Slits
Studies
Three dimensional
Three dimensional models
Topological manifolds
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:We propose a computational design approach to generate 3D models composed of interlocking planar pieces. We show how intricate 3D forms can be created by sliding the pieces into each other along straight slits, leading to a simple construction that does not require glue, screws, or other means of support. To facilitate the design process, we present an ion model that formalizes the main geometric constraints imposed by fabrication and assembly, and incorporates conditions on the rigidity of the resulting structure. We show that the tight coupling of constraints makes manual design highly nontrivial and introduce an optimization method to automate constraint satisfaction based on an analysis of the constraint relation graph. This algorithm ensures that the planar parts can be fabricated and assembled. We demonstrate the versatility of our approach by creating 3D toy models, an architectural design study, and several examples of functional furniture.
Bibliography:istex:DFBD1CE13688FDEBB4AB69717985739B74C94639
ark:/67375/WNG-TNC9MZDR-C
ArticleID:CGF12051
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ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.12051