A device has been designed and built for drawing in three dimensions. Drawing may be free-hand; or three-dimensional structures or stereograms (such as stereo x-ray pictures) may be traced in three dimensions. The device produces coordinate data, which may be fed to a plotter to produce permanent stereo pairs, and may be fed to a computer for storage and analysis. Stereoscribe can also be used to plot the ‘subjective space’ of observers, to record perceptual knowledge.
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References
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GregoryR LHoweJ A M, 1966“3-D drawing device” British Patent Application 2748/66
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