Hi Brian and friends
Waiting for your updates to the ConformalMapHexGrid on Torus;
applying a bit of Logic and the Box-info Tool
Being the topology of Torus quite simple
you can get R and r
file and imagine this link:
http://www.mediafire.com/file/kg3m8rd4r6nrc1z/CP_CMHexGrid-R%252Cr.zip/file
Have a nice weekend all
al