Author: Sofia Petraglio, Annachiara Cremona
Teachers: Joao Machado, Marco Lurati
Data: Fall Semester 2019
Realization context: Atelier Machado, SUPSI AI
Project description: The Lello staircase model was part of the Atelier Machado project (fall semester 2019) focusing on the enlargement of Lello library in Porto, Portugal.
In the first phase of the semester, students were asked to build a model of the library and, among the many different tasks, one was the making of its world famous staircase.
Not having a precise drawing of it, the Lello staircase was completely re-drawn using a 3D modeling software (Rhinoceros 6) that was then used as an aid to the students to extract plans, sections and eventually to be 3D printed.
Technical description: The printing took the machine almost 26 hours and had to be done in two different parts because of the complexity of the shape. Once printing was completed the two parts were glued together. The model had been printed in PLA.
The staircase was then carefully sanded in order to avoid the printing layers from being visible and was then painted in its iconic brown and red colours.
The railings were laser-cut out from a 0.5mm thick plywood and were steamed in order to be easily bendable and inserted in the modeled grooves on the external rim of the stairs to get the right shape.
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