http://arxiv.org/abs/1611.09994
3-D printing moves beyond interactive 3-D graphics and provides an excellent tool for both visual and tactile learners, since 3-D printing can now easily communicate complex geometries and full color information. Some limitations of interactive 3-D graphics are also alleviated by 3-D printable models, including issues of limited software support, portability, accessibility, and sustainability. We describe the motivations, methods, and results of our work on using 3-D printing (1) to visualize and understand the Eta Car Homunculus nebula and central binary system and (2) for astronomy outreach and education, specifically, with visually impaired students. One new result we present is the ability to 3-D print full-color models of Eta Car’s colliding stellar winds. We also demonstrate how 3-D printing has helped us communicate our improved understanding of the detailed structure of Eta Car’s Homunculus nebula and central binary colliding stellar winds, and their links to each other. Attached to this article are full-color 3-D printable files of both a red-blue Homunculus model and the Eta Car colliding stellar winds at orbital phase 1.045. 3-D printing could prove to be vital to how astronomer’s reach out and share their work with each other, the public, and new audiences.
T. Madura
Thu, 1 Dec 16
19/75
Comments: 17 pages, 9 figures, 5 embedded interactive 3-D figures, Accepted for publication in the PASP Focus Issue “Techniques and Methods for Astrophysical Data Visualization.” The 3-D print files are included as ancillary material in the /anc subfolder
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