was about what these object printers cost now.
http://www.reprapcentral.com/vmchk.html
These are based on rapid prototyping machines and still only print using
a single material. The hoped break through which would make the
technology more useful was materials which could have properties based
on variables tha could be applied in these printers, for example being
blasted with a certain wavelength to make the transparent or opaque. I
don't this technology ever matured though.
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