Homebrew PCBs

> andrewm wrote:
> No - I will keep track.  The index mark could be
> out by a pixel or two each revolution if the jitter
> is bad.  Counting from the index EACH revolution
> you could end up with a spiral along the print out.
> (fairly obviously the errors could accumulate)

Opps - sorry - andrew was fairly obviously on drugs
when he wrote that.  The error would not accumulate
would be a maximum of 1 pixel plus proccesor lag (
80th of a pixel) per revolution.