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|Abstract:||The ability to fabricate surfaces with fine control over bidirectional reflectance (BRDF) is a long-standing goal in appearance research, with applications in product design and manufacturing. We propose a technique that embeds magnetic flakes in a photo-cured resin, allowing the orientation distribution of those flakes to be controlled at printing time using a magnetic field. We show that time-varying magnetic fields allow us to control off-specular lobe direction, anisotropy, and lobe width, while using multiple spatial masks displayed by a UV projector allows for spatial variation. We demonstrate optical effects including bump maps: fat surfaces with spatially-varying specular lobe direction.|
|Citation:||Pereira, Thiago, Carolina L. A. Paes Leme, Steve Marschner, and Szymon Rusinkiewicz. "Printing anisotropic appearance with magnetic flakes." ACM Transactions on Graphics (TOG) 36, no. 4 (2017): 123:1-123:10. doi:10.1145/3072959.3073701|
|Pages:||123:1 - 123:10|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||ACM Transactions on Graphics|
|Notes:||Supplementary Material: https://doi.org/10.1145/3072959.3073701|
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