Design:

I made a basis and added some columns on it. The name is subtracted from the columns.

By printing this small columns, the surface becomes rough.

OpenScad:

The file contains a short list of example names. Only the number of the name has to be changed to generate a tag with this name. Because it is a little bit complicate to calculate the length of text, a correction factor can be edited to fit the name to the tag.

Color change:

Two color changes to have the name in a different color:  3.8 and 4.2 mm