Homebrew PCBs

Alessio Sangalli wrote:

> 
> The only problem is that the dremel can only take rather big bits. 

For hss bits you will need a Keyless chuck, like in the proxxon fbs. Or
'quick change multi chuck' in dremel words.  Try to find and replace the
chuck. Should do down to 0.3mm bits. Or buy/make a press and use carbide
bits.

Simao