Elastic textures for additive fabrication

Julian Panetta, Qingnan Zhou, Luigi Malomo, Nico Pietroni, Paolo Cignoni, Denis Zorin

Research output: Contribution to journalArticle

Abstract

We introduce elastic textures: a set of parametric, tileable, printable, cubic patterns achieving a broad range of isotropic elastic material properties: the softest pattern is over a thousand times softer than the stiffest, and the Poisson's ratios range from below zero to nearly 0.5. Using a combinatorial search over topologies followed by shape optimization, we explore a wide space of truss-like, symmetric 3D patterns to obtain a small family. This pattern family can be printed without internal support structure on a single-material 3D printer and can be used to fabricate objects with prescribed mechanical behavior. The family can be extended easily to create anisotropic patterns with target orthotropic properties. We demonstrate that our elastic textures are able to achieve a user-supplied varying material property distribution. We also present a material optimization algorithm to choose material properties at each point within an object to best fit a target deformation under a prescribed scenario. We show that, by fabricating these spatially varying materials with elastic textures, the desired behavior is achieved. Copyright is held by the owner/author(s).

Original languageEnglish (US)
Article number135
JournalACM Transactions on Graphics
Volume34
Issue number4
DOIs
StatePublished - Jul 27 2015

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Materials properties
Textures
Fabrication
3D printers
Shape optimization
Poisson ratio
Topology

Keywords

  • Additive fabrication
  • Deformable objects
  • Goal-based material design
  • Homogenization
  • Microstructures
  • Shape optimization

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design

Cite this

Panetta, J., Zhou, Q., Malomo, L., Pietroni, N., Cignoni, P., & Zorin, D. (2015). Elastic textures for additive fabrication. ACM Transactions on Graphics, 34(4), [135]. https://doi.org/10.1145/2766937

Elastic textures for additive fabrication. / Panetta, Julian; Zhou, Qingnan; Malomo, Luigi; Pietroni, Nico; Cignoni, Paolo; Zorin, Denis.

In: ACM Transactions on Graphics, Vol. 34, No. 4, 135, 27.07.2015.

Research output: Contribution to journalArticle

Panetta, J, Zhou, Q, Malomo, L, Pietroni, N, Cignoni, P & Zorin, D 2015, 'Elastic textures for additive fabrication', ACM Transactions on Graphics, vol. 34, no. 4, 135. https://doi.org/10.1145/2766937
Panetta J, Zhou Q, Malomo L, Pietroni N, Cignoni P, Zorin D. Elastic textures for additive fabrication. ACM Transactions on Graphics. 2015 Jul 27;34(4). 135. https://doi.org/10.1145/2766937
Panetta, Julian ; Zhou, Qingnan ; Malomo, Luigi ; Pietroni, Nico ; Cignoni, Paolo ; Zorin, Denis. / Elastic textures for additive fabrication. In: ACM Transactions on Graphics. 2015 ; Vol. 34, No. 4.
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