The item ID for Stone wall 1x1 is stone_wall_1x1
This is the spawn command to give yourself Stone wall 1x1 in Valheim normally without the level option.
Copy the command below and paste it into your Valheim game or server admin console to obtain.
This is the spawn command to give yourself Stone wall 1x1 in Valheim with the level option if applicable. Below is just an example with the item chosen. Some items do not have leveling.
Copy the command below and paste it into your Valheim game or server admin console to obtain.