The Md3View-Mac_1.sit file you have requested: Tools and Utilities / Utilities / MD3View (Mac exe & Source) - 1.79mb is not available. Perhaps try browsing all files for the game Quake III Arena and upload any files you want to share or are missing. This is the only information we could locate:
For all those of us who like to check out the models in Q3Test and those of you who want to make skins for Quake3, there is hope. We cooked up a Windows (and Mac) based MD3 model viewer to view the q3 models in the game.