The HW-Primer.zip file you have requested: Tools and Utilities / HW-Primer - 2.05mb is not available. Perhaps try browsing all files for the game Homeworld and upload any files you want to share or are missing. This is the only information we could locate:
In this .zip archive is .html documentation on how to make your very own map for Homeworld. In order to follow it you will have to view them in your web browser. An all in 1 guide to making a Homeworld Map.