Re: CNC MILLING SCULPTURE/BUST

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:

>
>
> abramhatch wrote:
>
> >I am interested in creating portrait sculpture using 3d scanning

and

> >cnc milling. Can any point me in the right direction?
> >
> >
> Yeah, I sure am, too. I did some intense net searching about this a
> couple of years ago, and the big stumbling block was photo =>
> 3D conversion. I found a couple of companies that had software
> that could take several photos and convert to a point cloud. One of
> them had a great bust of a person. I inquired how they did that,

and

> they apologetically told me that it took 8 hours of work by an

expert

> to identify the same spot on several photos to the software, over

and over,

> so the software could match up the 3-D coordinates. In other

words, it

> really doesn't work well with faces, but does great on buildings

with

> sharp corners. I don't know if the software has improved any since
> then. Given a point cloud, I think I could even figure out how to

do

> the rest myself.
>
> There seems to be some advances in the 3-D scanning machines, too,
> but they are still REALLY expensive.
>
> Jon

If you have a good 3d image say from an expensive scanning machine,
what kind of a cnc milling machine do you need to make a sculpture?