Precast detailing service involves creating detailed 2D or 3D models of precast concrete components such as walls, columns, beams, and slabs, which are later used in construction projects. These models help to ensure that the precast components fit perfectly in the overall building design, minimizing errors and reducing construction time and costs. Precast detailing service providers use specialized software to create precise and accurate models that are customized to meet the specific requirements of each project.