Flexalon: 3D Layouts is a Unity tool designed to simplify the creation of complex 3D user interfaces and in-game layouts. It provides a flexible, constraint-based system for arranging objects in 3D space, supporting automatic alignment, spacing, scaling, and adaptive positioning. The framework allows developers to design dynamic menus, HUDs, inventories, and interactive environments with minimal manual adjustments. Flexalon: 3D Layouts is ideal for VR, AR, and 3D games, enabling developers to streamline layout workflows, maintain visual consistency, and create responsive, polished interfaces and scenes across multiple platforms.