| Summary: | 碩士 === 國立臺灣大學 === 資訊工程學研究所 === 102 === Research works relate to 3D printing have been activated recently because of the widespread of 3D printing in the past few years. However, there are still many unsolved issues in 3D printing. One of them is the coloring of 3D-printed objects. Compare with single color 3D-printed objects, we have to pay much higher cost to make them colorful, even with today''s technology. In our work, a method is proposed to make 3D-printed objects have the grayscale appearance while irradiated with a light source by controlling the thickness of 3D translucent materials. We firstly use Beer-Lambert law to evaluate the relationship between the thickness of 3D translucent material and the intensity of transmitted light. Thereafter, we use Webber’s law and conduct user studies to produce clear level of grayscale on a 3D printed object with limited 3D translucent material thickness. This study shows that one can generate new and different effects on 3D-printed objects even if a low-cost 3D printed is needed.
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