I saw this awhile back, don't know anymore: https://www.zerotoasiccourse.com/ https://www.zerotoasiccourse.com/ How about having a family photomask tapeout? I

I saw this awhile back, don't know anymore: https://www.zerotoasiccourse.com/ https://www.zerotoasiccourse.com/ How about having a family photomask tapeout? I wonder if anyone makes scanner software for old masks.