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The work describes an interdisciplinary project that applies universal design principles
to create 3D tactile models of architectural structures. It details the recreation of a non‐existent
neo‐Gothic water tower formerly located at Plac Wolności in Lublin, using advanced CAD
modelling and 3D printing techniques. The model was designed in Autodesk Inventor 2024
based on archival photographs. The design process followed guidelines for tactile symbols,
where the minimum height of reliefs for recognition is 0.4–0.8 mm, and the ideal Braille height
is 0.9 mm with a dot diameter of 1.6 mm. The innovation of the project lies in integrating three
key accessibility elements: a physical 3D model for tactile exploration, a Braille labelling system,
and interactive audio description. The audio description system is built on the ESP‐WROOM‐32
module with a touch button interface. The model features a modular design, including a base
with space for the audio system and the main tower. Using 3D printing technology saves time
and reduces material consumption compared to traditional methods. These solutions serve as
an effective example of universal design, allowing visually impaired individuals to fully experi‐
ence the spatial qualities of an architectural object through multisensory exploration‐touch,
Braille information, and auditory description. The interactive 3D model can function as an
educational and cognitive tool, especially for people with visual impairments
