RustTip
wallpaper.tool

Wallpaper Tool

Transform your base from a rusty shack to a cozy hideout! This tool lets you apply wallpaper on walls, floors and ceilings. A nice touch of style - until the next raid, at least. Press [+attack2] to select your skin.

NoneTool
More here for developers: ID and shortname, properties, prefabs, item actions, ItemMods, Oxide/Carbon hooks