Cheap/free CNC Machine Access...

[Howard Gibson]

On Thu, 9 Feb 2006 16:28:21 -0500
lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org (Lennart Sorensen) wrote:

> On Wed, Feb 08, 2006 at 12:04:40PM -0500, Colin McGregor wrote:
> > Well, I don't claim to be very artistic, but figuring
> > my way through creating a CAD file that has a Tux
> > image from say:
> > 
> > http://www.isc.tamu.edu/~lewing/linux/
> > 
> > reduced down to say 21 mm ... that I think I can do...
> > basically tell the machine if it is black mill it out
> > to a depth of x mm...
> 
> Just remember that these things are vector based in general, not bitmap
> based.  So you have to make outlines of things usually.  Perhaps some
> can deal with bitmaps, but everything I have ever seen worked with
> vectors in CAD.
> 
> The scalable vector postscript would probably be a nice place to start.

   Think about it.  You are sending instructions to a milling machine.

   All CAD is vector graphics.  

   Take a look around for a program called pstoedit.  I use it to convert PostScript to Xfig.  It converts PS and PDF to various formats including DXF.  

-- 
Howard Gibson 
hgibson-MwcKTmeKVNQ at public.gmane.org
howardg-PadmjKOQAFn3fQ9qLvQP4Q at public.gmane.org 
http://home.eol.ca/~hgibson
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