Custom GnuCash Invoice Creation

I need a custom invoice made in GnuCash that meets specific requirements.

Requirements:
- Must include client details (name, address, contact info) and an itemized list of products/services.
- Tax should not be listed.
- Customized design with a special font or color scheme is required.

Ideal Skills & Experience:
- Proficiency in GnuCash
- Graphic design skills for custom fonts and color schemes
- Experience with invoice creation

I would like the completed invoice style to be inserted into my genucash program.

The developer of this custom invoice will have to insert it into my Genucash program file.