I think he's using a flexible shaft extension like this:
http://www.dremel.com/en-us/attachments/Pages/ProductDetail.aspx?pid=225-01
--- In Homebrew_PCBs@yahoogroups.com, teknochaman <teknochaman@...> wrote:
>
> Amazing idea using a Dremel.
>
> btw, does anybody know which is the pictured Dremel model ?
>
> That will help to understand works that can be done with it
>
> Mine is far thicker and heavier to be supported by a small cutter
>
>
> Hint or comments about the drilling part are highly appreciated.
>
>
> Best,
>
> Samuel
>
>
>
> ________________________________________________________
>
>
> Re: More on - Produce Quick & Cheap PCBs with a CNC paper cutter
>
> Mon Sep 10, 2012 7:48 am (PDT) . Posted by:
> "Mark Lerman" mark_from_pomona
>
> You've inspired me - I just ordered a Sillhoute Cameo!
>
> I have a few
> other ideas on how to use it and will post the results!
>
> Mark
>
> At 12:39 PM 9/8/2012, you wrote:
>
>
> >I'm back for a second round. This time I changed tacks - I have
> >turned the $270 CNC paper cutter into a 2.1D mill for mil-etching
> >PCBs - instead of the original drag-knife method. See video here
> >http://www.youtube. com/watch? v=rDRN1_i0vJU and some updated info
> >here http://research. microsoft. com/en-us/ projects/ papercutterpcbs/
> >
> >I haven't calibrated the setup yet like ipm, position tolerance and
> >repeatability and minimum isolation track width & repeatability but
> >that will come. The original method I was trying to perfect was to
> >drag a carbide knife through copper cladding to affect electrical
> >isolation but the swarf remaining was a problem.
> >
> >Mike
> ________________________
>