Making a non-replacing mod for custom models/model replacing mods

Preparation

1. Extract the mod files to your Fallout directory.
2. Find the model item (in Meshes/..) and rename it:

   e.g. Helmet.nif to HelmetSHOJOFIX.nif

3. Get FO3Edit

Creating the ESP file

1. Start FO3Edit and tick the ESP/ESM file containing the item.

   
   
   

2. Find and right click the item, click "Copy as new record into...".

   
   
   

3. Rename or append to the original item name.

   
   
   

4. Tick "<new file>". Click OK.

   
   
   

5. Type in a descriptive filename, then click OK.

   
   
   

6. Click YES.

   
   
   

7. Find the new ESP you have just created and left-click on the item.
   Take down the item number (in the FormID column on the left).
   In the frame on the right, look for Male/Female Biped Model. Right click the "MODL - Model Filename" and click Edit. Change the model filename to the modded version (the renamed file from Preparation step 2). Edit the MODL entry for Male/Female as well, if applicable.
   Edit "FULL - Name". This is displayed in-game as the item name.

   
   
   

Spawning the item in-game

1. Take note of the Load Order Number in FOMM

   
   
   

2. In-game, press ~ (tilde) to get the console.
   Type in "player.additem xxnnnnnn 1". Press enter.
   "xx" = FOMM load order number and "nnnnnn" = the item number from FO3Edit (*omit first 2 numbers*).
   In the example above, the item ID would be: 2A000800