2026-09-19T10:37:40Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/822852026-06-06T01:04:51Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Takehiko Nagakura.
Sung, Woongki
Massachusetts Institute of Technology. Department of Architecture.
Massachusetts Institute of Technology. Department of Architecture
2013-11-18T19:04:06Z
2013-11-18T19:04:06Z
2013
2013
http://hdl.handle.net/1721.1/82285
861229343
Thesis (S.M. in Architecture Studies)--Massachusetts Institute of Technology, Dept. of Architecture, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 80-82).
This thesis explores a new type of computer-aided sketching tool for 3-dimensional designs. Sketching, as a process, has been used as an effective way to explore and develop ideas in the design process. However, when designers deal with volumetric designs in 3-dimensional space, current sketching means, including traditional free-hand sketching and contemporary computer-aided design (CAD) modeling have limitations such as dimensional inconsistency, and non-intuitive interactions. By observing the roles of sketching in the design process and reviewing the history of design tools, this thesis investigates and proposes new digital methods of 3-dimensional sketching that take advantage of motion detecting and computer-vision technology that is widely available today. In this thesis, two prototype tools were developed and compared. The first prototype uses a motion detecting sensor, projection screen, and gesture tracking software. The movement of the user's hands becomes the intuitive interface to shape 3-dimensional objects in the virtual space. The second prototype, developed in collaboration with Nagakura, uses a hand-held tablet computer with marker-based augmented reality technique. The hand-held device displays the virtual object from desired angles and works as a virtual tool like a chisel, plane, drill, and glue gun to shape virtual objects in 3-dimensional space. Testing these two prototypes for use, and comparing the resulting objects and user responses revealed the strengths and weaknesses of these different 3-dimensional sketching environments. The proposed systems provide a possible foundation for novel computer-aided sketching application that takes advantages of both the physical and virtual worlds.
by Woongki Sung.
S.M. in Architecture Studies
85 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
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http://dspace.mit.edu/handle/1721.1/7582
Architecture.
Sketching in 3D : towards a fluid space for mind and body
Thesis
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Publication
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<Abstract>This thesis explores a new type of computer-aided sketching tool for 3-dimensional designs. Sketching, as a process, has been used as an effective way to explore and develop ideas in the design process. However, when designers deal with volumetric designs in 3-dimensional space, current sketching means, including traditional free-hand sketching and contemporary computer-aided design (CAD) modeling have limitations such as dimensional inconsistency, and non-intuitive interactions. By observing the roles of sketching in the design process and reviewing the history of design tools, this thesis investigates and proposes new digital methods of 3-dimensional sketching that take advantage of motion detecting and computer-vision technology that is widely available today. In this thesis, two prototype tools were developed and compared. The first prototype uses a motion detecting sensor, projection screen, and gesture tracking software. The movement of the user's hands becomes the intuitive interface to shape 3-dimensional objects in the virtual space. The second prototype, developed in collaboration with Nagakura, uses a hand-held tablet computer with marker-based augmented reality technique. The hand-held device displays the virtual object from desired angles and works as a virtual tool like a chisel, plane, drill, and glue gun to shape virtual objects in 3-dimensional space. Testing these two prototypes for use, and comparing the resulting objects and user responses revealed the strengths and weaknesses of these different 3-dimensional sketching environments. The proposed systems provide a possible foundation for novel computer-aided sketching application that takes advantages of both the physical and virtual worlds.</Abstract>
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