Has any see or made a diy Digitizer used in conjunction
with a vac table clamp . This is what i want to do...

I have a object ...place it on vac clamp, using the digitizer locate the corner
of the work, then have mach3 use that to rereferance the file and 0,0 it to the part on the table ie in relation to the workpiece?

i seen this done on commerial machines, any g code out there or diy project to help me?