Nice work , I use Lead oxyde ( orange pigment ) mix with light oil rather than marker and more accurate than the classic blue from Stuars , that quicker to apply and cheaper for big surface , easy to go under 1/1000 defect , just nee to wear glove as lead is not wonderful for health .
The bright places are where the underlying surface projects enough so that the master plate can rub off the marking medium. The medium stays in the lows that don't contact the master plate.
Thank you for the knowledge. Have you looked into the replication method? I.e. transferring precision surface to lets say a machine bed with metal filled epoxy. This is a method to relativly easy and quick creating precision surfaces for let say a linear rail for a cnc
The individual I work for has great experience in the world of replication. I encourage everyone to look at the Way Rebuilding Handbook by Devitt Machinery
