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Polhemus' magnetic tracking systems sometimes have a pen included.
Polhemus' magnetic tracking systems sometimes have a pen included.
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Traditional 3D stylus devices are mechanically connected to a base, and have been used in medicine. An example is in the VBLaST virtual surgery simulator.<ref>VBLaST - virtual surgery simulator. HowTechTV. Youtube. https://www.youtube.com/watch?v=dWOCF_9WHwA</ref> THe VBLaST uses two input devices based on products by [[SensAble Technologies]].
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== Mechanically tracked ==
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Some 3D stylus systems track the pen mechanically. The pen is connected to a base. These systems have been used in medicine. An example of an application of a mechanically tracked system is the VBLaST virtual surgery simulator.<ref>VBLaST - virtual surgery simulator. HowTechTV. Youtube. https://www.youtube.com/watch?v=dWOCF_9WHwA</ref> THe VBLaST uses two input devices based on products by [[SensAble Technologies]].
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== Mechanically tracked ==
One 3D stylus that is available is the Touch 3D stylus from Protocom.<ref>http://www.protocom3dp.com/touch-3d-stylus Touch™ 3D stylus</ref>
One 3D stylus that is available is the Touch 3D stylus from Protocom.<ref>http://www.protocom3dp.com/touch-3d-stylus Touch™ 3D stylus</ref>