The Mercury Messenger rev 12 data will be made public by PDS in September, 2014. I hope it has elevations for the Southern Hemisphere! Mercury 10x Globe: The North half of the planet Mercury is detailed with an exaggeration factor of 10 for the elevations. PDS info (Planetary Data System) INSTRUMENT_HOST_NAME = "MESSENGER" INSTRUMENT_NAME = "MERCURY LASER ALTIMETER" INSTRUMENT_ID = "MLA" MISSION_PHASE_NAME = {"MERCURY 1 FLYBY","MERCURY 2 FLYBY", "MERCURY ORBIT","MERCURY ORBIT YEAR 2"} TARGET_NAME = MERCURY START_TIME = 2008-01-14 STOP_TIME = 2012-09-17 PRODUCT_CREATION_TIME = 2012-10-31 PRODUCT_RELEASE_DATE = 2013-03-08 PRODUCER_ID = MESSENGER_MLA_TEAM PRODUCER_FULL_NAME = "DAVID E. SMITH" PRODUCER_INSTITUTION_NAME = "NASA/GODDARD SPACE FLIGHT CENTER" DESCRIPTION = "This data product is a shape map (radius) of Mercury at a resolution of 21.293 km/pix by 21.293 km/pix,The Mercury data is available for you here: http://pds-geosciences.wustl.edu/messenger/mess-e_v_h-mla-3_4-cdr_rdr-data-v1/messmla_2001/gdr/img/ That digital elevation data was used to make my Mercury Globe 3D model files in .stl format.