NBS generic objects can be used from early on in your projects. All are free to download and use in your projects. Download our extensive collection of generic and manufacturer BIM objects, ranging from building fabric systems to mechanical and electrical objects. The new BIM Library within NBS Source is now the home for, and is the only collection of high-quality BIM objects certified to meet the NBS BIM Object Standard. The location of the NBS National BIM Library has now changed. Not sure what to search for? Browse BIM objects