: Launch the game and enter a world to initialize the mod's folder structure.

To create a piece, you must add or edit a within the Pieces folder.

If you have installed via BepInEx , follow these steps to generate and configure a new building piece:

: Use mods like Expand World Prefabs to drop pre-made builds or "pieces" directly into your world. How to Edit Valheim Mods | Mod Configurations Explained

: If playing on a dedicated server, ensure these YAML files are placed in the server's config folder to force server sync for all players. Managing Items and Builds