The dtod3_v13.zip file you have requested: Utilities / DOOM to DOOM 3 Map Converter - 588kb is not available. Perhaps try browsing all files for the game Doom III and upload any files you want to share or are missing. This is the only information we could locate:
This is a new version of the tool that converts DooM wad files into Doom map files. It contains a more compatible material file as well as some adjustments to the gameplay. The texture conversion is done a whole way easier now.Please extract in Doom 3 folder!