In this paper, an electronic music box (the orgel) system, based on the LET Tile System the author has been developing, which has the abilities of pattern drawing by light on dot matrix LED and exteing by connecting multiple units. In this system, the user can define the music score by drawing dot patterns on dot matrix LED, and each drawn dot represents the music note, whose the horizontal and the vertical positions are correspinging to the time line and the music scale, respectively. The unit has the connectors with magnet for both physical and electrical connections. Both the time line and the music scale can be extended by connecting the units in the horizontal and the vertical directions, respectively. The unit can also be configured by the user's motion, such as shaking for clear patterns or tilting for chaning play speed.

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This paper presents an image transformation method for changing the pose of an illustrated human body. In these illustrations, changing one pose to another can convey different impression of human expression. This process is however time-consuming if it is manually redrawn. On the other hand, basic methods like affine transformation are limited for expressing various poses of the human body. To solve this problem, we propose the method using Harmonic Coordinates applied to a polygon framework. We developed a pose changing tool based on the above approach. With the tool we developed, changing the pose of illustrated human bodies can be done easily and effectively.

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[in Japanese]

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This paper proposes a method for generating a 3D gear aggregate model that approximates the shape of a specified 3D model. Unlike a 3D gear aggregate model generated by traditional methods, the 3D gear aggregate model generated by the proposed method consists of many engaged 3D gears of different size. Moreover, it is possible to rotate all engaged gears if one of them is rotated. In this paper, involute spur gears are used. The outline of the method is as follows. First, a specified 3D model is divided into multiple planar cross-sections. Then, each cross-section is filled with gears, by placing the gears one by one according to a defined score. The score of a gear is calculated according to its engagement and size.

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