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Talk / Atrium · E14, 3rd floor

Lexicon

With Alfonso Parra Rubio@aparraru

A large ring of folded steel panels hanging above a stairwell.
A portrait of Alfonso Parra Rubio in glasses.
Sunday, November 1, 202612:40–1:00 PM ET
AtriumE14, 3rd floor · MIT Media Lab

How key was building hardware-oriented software, web hosted, fast, solving complex math problems with a design focus, with real fabrication constraints, for a public installation at the Boston Public Library, resulting in a large hanging piece.

Lexicon is a large-scale structural shell assembled from origami-folded aluminum cells. Developed as the culmination of doctoral research at the MIT Center for Bits and Atoms, the project investigates how folding and assembly can realize lightweight, load-bearing freeform structures at the architectural scale.

Created specifically for the Boston Public Library's Deferrari Hall, Lexicon responds to the layered histories embodied within the building. Its geometry-driven shell pays tribute to both halves of the Library: to Rafael Guastavino, whose structural vaults demonstrated the expressive potential of unreinforced masonry shells, and to Philip Johnson, whose modular architectural vocabulary is reinterpreted through folded aluminum.

About the presenter

PhD @ MIT CBA. I design and fabricate fold-based systems that turn flat materials into high-performance structures, bridging geometry, manufacturing, and material behavior.

And I also blow glass.

Lexicon, 2026. Alfonso Parra Rubio · Erik Strand. Folded aluminum, 18 × 18 × 7 ft. Photography: Vikram Valluri.