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Rapid prototyping (RP) is a molding technique that builds a three-dimensional (3D) model from computer-aided design (CAD) data. We fabricated new tailor-made bone implants (TIs) from alpha-tricalcium phosphate powder using an RP ink-jet printer based on computed tomography (CT) data, and evaluated their safety and efficacy. CT data of the skulls of seven(More)
In this paper, we introduce tactile graphics production software for three-dimensional projections. A blind person can use this software without assistance from the sighted and produce tactile graphics of three-dimensional projections. With this software, we want to study the limitation of tactile recognition of projections and improve the guidelines of(More)
The 3D internal structure microscopy (3D-ISM) was applied to the equine ovary, which possesses peculiar structural characteristics. Stereolithography was applied to make a life-sized model by means of data obtained from 3D-ISM. Images from serially sliced surfaces contributed to a successful 3D reconstruction of the equine ovary. Photopolymerized resin(More)
Three types of intelligent puzzle, a three-dimensional Escher puzzle (3DES), a 3D jigsaw puzzle (3DJG) and a color matching cubocatahedron puzzle (CUB), are developed by layer manufacturing. Each puzzle contains a common packing problem. Furthermore, there exist two important mechanisms, the rotation of CUB and the translation of 3DJG. 3DES is obtained on(More)