The PLAiNNED APP is a transformative software tool that streamlines the design process for architects and engineers by quickly generating building code-compliant layouts for complex rooms and components within buildings. By entering basic dimensions like width, length, and height, users can instantly create detailed designs for universal washrooms, extensive multi-fixture restrooms, staircases, and elevator shafts. PLAiNNED simplifies the intricate task of ensuring constructability and compliance with building codes, offering solutions in under a minute-a task that traditionally could take hours or days. This innovative app replaces the labor-intensive graphic design process with an efficient 'design by spreadsheet' approach, revolutionizing the way industry professionals approach the layout of essential building spaces