We introduce a 3D sculpting application and some 3D tools that help the user to understand and perceive the third dimension better on a 2D display. We call the new tools as perceiving tools. The tools are a perceiving box, a perceiving plane, a tool guide and an object guide. Other existing tools are carving and stuffing tools. The controlling in the application is done with two hands, and the goal has been to make it as natural as possible. This two-handed application makes use of a Magellan SpaceMouse, a six-degrees of freedom controller, and a basic wheel-mouse. The results of the evaluation showed that our sculpting program is easy to use and learn and that the perceiving tools help in the sculpting process.
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