I have been in contact with the webmaster for RGB Classic Games, who also hosts copies of GRAFIX for downloading. He has been nice enough to publish an online version of the manual for GRAFIX. He has updated it to the current version 2.70. You can access the manual at the following URL:

https://www.classicdosgames.com/tutorials/grafix/index.html

The URL for downloading GRAFIX from his website is:

https://www.classicdosgames.com/utilities/dos.html

It is really handy to have this bookmarked for a quick and easy reference.