BAU
The Building That Packs Itself: Emilio Pérez Piñero’s «Teatro Ambulante» of 1961
In 1961 student Emilio Pérez Piñero won the UIA prize in London with a travelling theatre whose dome folds into a bundle of bars. See how the node works.
Blade Runner drew a retrofit and called it decay. The arithmetic says otherwise
Blade Runner's Los Angeles looks retrofitted because bolting onto old buildings was cheaper than rebuilding. PAZ on why the film's moral is inverted.
Torres Blancas: the concrete body that refused to be demolished
Sáenz de Oíza's 46-pillar monocoque tower in Madrid — 23,243 m² of concrete that couldn't be demolished. What its isotropic slabs teach a 2026 carbon desk.
The School That Knows Its Own End Date — Kantonsschule Stadelhofen's Dübendorf Modules
Kantonsschule Stadelhofen's Dübendorf branch — ~250 timber modules, Minergie-Eco, built in 15 months and detailed to come apart at the end of the 2030s.
Point Cloud Simplification: The Discipline of Honest Deletion
How rational decimation keeps a laser scan light and geometrically honest for scan-to-BIM — from Song & Feng curvature to GP-PCS, with a one-line Open3D check.
BIM Interoperability: the building is the hand-off, not the model
Why two ISO 16739-compliant IFC exports can describe two different buildings — and how to police the seam with ifcopenshell, ISO 19650 and openBIM discipline.
The building that became the exhibit: reading the Lucas Museum from inside its curved skin
The 28,000 m² Lucas Museum opens 22 Sept 2026 — a free-form MAD shell where Star Wars art, NURBS geometry and the building-OS share one coordinate system.
Digital Twin: the model that never stops listening
From NASA's 2010 definition to bridge and BIM twins — what a digital twin really is, why it holds, and the one scalar your office must name before calling it one.
A Roof Found, Not Drawn: What Munich's 1972 Tent Still Teaches My Generation
The Olympiastadion's cable roof was form-found, not designed — what equilibrium structures and TNA teach heritage smart buildings about listening to their own loads.
Industry Foundation Classes: the open schema that is also your exit clause
IFC (ISO 16739-1:2024) is not just a file format — it is the open, Creative-Commons schema that keeps your building's data yours. A PAZ foundation essay.
