Abstract
In current Computer Aided Design (CAD) systems, designers are commonly restricted to a traditional workstation environment with mouse and keyboard. This environment is indirect from the physical object they are designing, and as such they may lose the one to one correspondence between the virtual and physical magnification of the design. In order to reduce this, we propose a Spatial Augmented Reality (SAR) based CAD system which consists of a fixed camera-projector pair, a Light Emitting Diode (LED) pen with two buttons, a wireless communication module, and a physical drawing board.
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