3way gridshell. Design and construction of a geodesic timber gridshell

The “3way” open classroom built at the ETSAV , is an ultra-thin gridshell of long and wide birch plywood 12mm planks. The structure hosts openair lectures for students. The system is based on the coupling of three families of pseudo-geodesic curves on a common surface, that can be built from completely straight and planar planks without any waste. The simple 1D manufacturing technology relies solely on the exact positioning of the holes.

The students followed a program of continuous reviews by international experts on structural design, wood construction, computational geometry and membrane patterning. The students solved all the design, numerical fabrication and construction processes themselves. It was built at the Stage phase in June 2021 in Barcelona.

Students: Jorge Adrian Martorell ,Christian Merhej, Rudy Riachy , Alberto Sadun , Marc Serra , Alex Solà, Aitor Vadillo , Luis Ángel Garcia, Khalifa Alkhazriji , Ángel Barrón, Dalia Ezzeddine, Danny Vallejo , Ehsan Naguib, Weston Porter.

International experts:
Julian Lienhard , Bending-active, STR.ucture
Dragos Naicu, timber gridhsell,
Anna Bauer, Structural analysis, Kiwi3d
Ángel Antequera, Load cases and Wind, CODA
Alberto Pugnale, Timber construction, University Melbourne
Almudena Majano, Timber engineering, UPMadrid
Antonio Lara, Timber Engineering, UPMadrid
Ton Miserachs, Membrane patterning, TP construcció i Arquitectura textil

Academic direction:
Gerard Bertomeu,
Pep Tornabell,
Ramon Sastre,
Enrique Soriano
partners at CODA and teachers at Barcelonatech and UPCschool

Designed in Grasshopper3d, with Kangaroo2
Analyzed in Kiwi3d

Made with the fantastic support from:
GabarróHermanos www.gabarro.com timber logistics using UPM plywood
Manxa Bricolatge www.manxabricolatge.com Hardware
Treats from Serra Jordia,

Still pictures from andresflajszer http://www.andresflajszer.com/
Music "Algorithms" in Arps Album from Chad Crouch under CC By-NC 4.0

MPDA program provides the computational design framework for the creation and optimization of timber lightweight structures with a low ecological footprint.

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