Geometry is the base of structure and architecture. Standard geometries have been widely used in past construction projects. However, more frequently non-standard geometric solutions are demanded, with architects and engineers challenged to resolve complex geometric problems. High level computational and programmatic tools are required to address these kind of geometrical issues; not only during the design stage but also throughout fabrication. Linking the design stage with manufacturing has pushed the development of architectural and engineering software from simple drafting to relational tools that incorporate parametric design and a wide range of analytical capabilities. Computational technologies open up non-standard mass customization design and production perspectives that clearly differ from traditional methods based on standardized mass produced sizes. Apart from facilitating non-standard production, these new techniques offer communicative means to streamline the traditionally slow and low-res dialogue between the different parties involved in construction and fabrication projects.