Homebrew PCBs

Stefan Trethan wrote:
> On Wed, 03 May 2006 22:16:23 +0200, Andrew <andrewm1973@...> wrote:
>   
>> EDM would have one step. Like mechanical
>> isolation milling does.  Turn it on, go and
>> have a rum, come back an hour later.
>> EDM is meant to be an unattended process.
>>     
>
> Do you actually do mechanical milling?
> I don't, but as far as i am aware of it is far from trouble free and  
> working well unattended.
>   

I do.  If you have some practice getting your setup right it's pretty 
well unattended, presuming your equipment is reliable.  If the equipment 
isn't suitable to the task or tends to fail you can waste a lot of time 
and materials whether you are watching it or not.

Dave K