The process of fully assembling an exhibit structure in the fabrication shop before it is shipped to the show site, allowing the production team to verify fit, finish, and function of all components, identify and resolve issues, and document the assembly for the I&D crew. Pre-builds are standard practice for new exhibits, significantly modified exhibits, and complex custom structures where on-site discovery of fabrication errors would be costly and time-consuming to resolve. Photography and video documentation from the pre-build serve as an invaluable reference for the installation crew.