It is possible to get the Mesh Mold Tool working. Just download the file below, extract and place the Data folder inside your Zero Hour installation directory, this is how it should look like:
Mesh Mold Tool
file(s) 353.13 KB
Video: C&C Generals/Zero Hour: Unused Stuff – World Builder: Mesh Mold Tool
https://www.youtube.com/watch?v=szBIzP0yy98
By AGX750