To manually define derived hole callout standards:
- Edit the file calloutformat.txt or calloutformat_2.txt located in installation directory \solidworks\lang\<language>\.
- Copy and paste the content for ANSI (or any default standard) to a new section in the text file.
- Using only upper case letters, rename the standard name to your required derived hole callout standard.
- Save the file as calloutformat.txt.
Use only upper case letters to define hole callout standards.