Volumetric additive manufacturing via tomographic reconstruction
Lawrence Livermore National Laboratory · University of California, Berkeley
Abstract
Additive manufacturing promises enormous geometrical freedom and the potential to combine materials for complex functions. The speed, geometry, and surface quality limitations of additive processes are linked to their reliance on material layering. We demonstrated concurrent printing of all points within a three-dimensional object by illuminating a rotating volume of photosensitive material with a dynamically evolving light pattern. We printed features as small as 0.3 millimeters in engineering acrylate polymers and printed soft structures with exceptionally smooth surfaces into a gelatin methacrylate hydrogel. Our process enables us to construct components that encase other preexisting solid objects, allowing…
Citation impact
- FWCI
- 53.56
- Percentile
- 100%
- References
- 42
Authors
6- BKBrett KellyCorresponding
Lawrence Livermore National Laboratory, University of California, Berkeley
- IBIndrasen BhattacharyaCorresponding
University of California, Berkeley
- HHHossein HeidariCorresponding
University of California, Berkeley
- MSMaxim Shusteff
Lawrence Livermore National Laboratory
- CMChristopher M. Spadaccini
Lawrence Livermore National Laboratory
Topics & keywords
- 3D printing
- Fabrication
- Layering
- Layer (electronics)
- Photopolymer
- Perspective (graphical)
- Object (grammar)
- Field (mathematics)