> It is entirely possible to > recreate a punch card using > an image—by hand, > laboriously, with a physical > hole punch I was quite surprised that computer

> It is entirely possible to > recreate a punch card using > an image—by hand, > laboriously, with a physical > hole punch I was quite surprised that computer vision modeling (to compensate for warping and other distortions) followed by laser cutting failed to produce the tolerances required. Wondering whether a sprocket feed with a 'punch' in place of a 'dot-matrix head' might give better results.