On Wednesday, December 18, 2013 5:20:57 AM UTC-8, jim wrote:
Bob La Londe wrote:





What affects surface accuracy is of course the resolution of the surface

mesh (STL or 3DS) and the defined resolution of the machining operation.



That is not all that affects accuracy. Even if you have the time

and computational power and storage capacity to produce g-code

files with millions of data points there is still the question of

whether your CNN can fluidly move to all those data points and cut

the part to within .0001".



If you had a machine that could do that

it is unlikely you would be using CamBam.



If you are making fishing lures and the end product

conforms to the original CAD surface geometry to less than

0.002" then you are doing exceptionally good job.



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There are some CADCAM programs that can produce toolpath directly from a surface model and don't triangulate the surfaces in order to produce toolpath.

This one mentioned in this discussion has a reputation for producing very high quality surface finishes that don't need any polishing:

http://lnkd.in/baa9swf