The word "wittling" implies a subtractive process, and would be CNC =20
machining rather than 3D printing.  The laser-solidifying (or =20
UV-curing) type 3D printing processes are generally referred to as =20
sintering.




Quoting cdb <colin@btech-online.co.uk>:

>  Vienna University have demonstrated a 3D nanoprinter that took just over=
 4
> minutes to produce a model of a Formula 1 racing car just 0mm285 long.
>
> It uses a liquid wax and heat resulting from a laser beam to solidify the
> printed layer instead of the more traditional wittling a solid layer.
>
> http://www.bbc.co.uk/news/technology-17357374
>
> Colin
> --
> cdb,   3/07/2009
>
> --
>
>
>
>
> colin@btech-online.co.uk
>
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