This is the description of how to use -override_vpk but step 1) and 2) are not necessary you only need to place the files you actually want to replace in the folder described in 2). This just makes dota search for the files in steamapps\common\dota 2 beta\dota and if they aren't found there it searches in the vpk files.
You can force load the files, to do so do the following - 1. Extract pak01_dir.vpk somewhere 2. Copy all the extracted files and place them in steamapps\common\dota 2 beta\dota 3. Make a backup folder somewhere, Copy all the .vpk files from steamapps\common\dota 2 beta\dota into the backup folder, then delete them in the…
Is that an eidolon or are you trying to replace the main model itself? Anyway, like polarbear said, getting this published in the workshop is going to be difficult. If you still need some help, you can add me on steam: http://steamcommunity.com/id/bigpet Not really an expert but I've tinkered with custom models and helped…