GAD Editorial · Published · · English study · Chinese summary · Study dated 2026-10-08
A curved facade often arrives in photographs as a single gesture: a metallic billow, a stratified cliff or a white surface lifting from the ground. Construction introduces another scale. The gesture must become pieces that can be made, supported and brought together. The Guggenheim Museum Bilbao, V&A Dundee and the Heydar Aliyev Centre reveal three markedly different relationships between an overall surface and the units from which it is assembled.
This is a question about architectural character as much as fabrication. A joint can fragment a form, make its direction easier to read, or introduce a second rhythm across it. Even when a building seeks visual continuity, continuity need not mean the disappearance of its constituent parts.
Bilbao: a large form with a small grain
Frank Gehry’s Guggenheim Museum Bilbao was built between 1993 and 1997. Its titanium-clad volumes are only one part of a material composition that also includes limestone and glass. The museum’s construction account records approximately 33,000 thin titanium sheets and the use of CATIA to translate the design into buildable geometry. Museum construction history.
The sheets give the broad curves a fine grain. From a distance, they contribute to the impression of connected metallic volumes; closer views reveal an extensively subdivided surface. The material also responds to changing light, so the same curvature is read through both geometry and reflection. The cladding should not be mistaken for a solid titanium shell carrying the building. Its architectural effect depends on the distinction between the outer finish and the construction supporting it.
Dundee: straight elements describe a twisting wall
Kengo Kuma & Associates’ V&A Dundee opened in Scotland in 2018. Its inclined concrete shell walls support an outer layer of horizontal reconstituted-stone panels. Arup’s engineering account records 2,429 individual elements and describes the algorithm used to translate the overall twisting geometry into a schedule of lengths and shapes. Significantly, the horizontal pieces are straight. Arup project record; V&A Dundee opening account.
The curve is therefore not reproduced identically by every visible component. It emerges through the positions and relationships of many linear parts. Their depth and spacing create the striated appearance associated with the architects’ cliff reference. The museum’s construction documentation also explains that channels for the fixing brackets were cast into the supporting walls. The placement of the visible layer consequently had to be coordinated before it was installed. Museum construction update.
Baku: continuity includes the seam
At the Heydar Aliyev Centre in Baku, completed in 2012 by Zaha Hadid Architects, the ambition is a continuous relationship between plaza and building. The structural arrangement combines concrete construction with a space frame; the external cladding uses glass-fibre-reinforced concrete and glass-fibre-reinforced polyester. A secondary support system mediates between the frame and the surface geometry. Architect’s project record.
Here the seams are deliberately part of the composition. The architects describe panel rationalisation as a negotiation among geometry, assembly and movement. The white surface remains visibly divided even while it reads as a connected landscape. That distinction is important: an appearance of flow does not require an uninterrupted material skin. The joints help give the very large surface a comprehensible scale.
Seen together, the projects suggest three ways for the component to participate in the whole. Bilbao gives a large curve a comparatively small, reflective grain. Dundee builds a layered surface from straight horizontal elements. Baku draws a seam network across changing curvature. None can be adequately described by its finish alone.
A useful close reading moves between the distant silhouette and a single junction. What is the primary support? Which layer supplies the visible texture? Does the component bend, or does its placement describe the bend? These questions reveal the design work concealed by the word “sculptural”. They also keep a beautiful surface from becoming a misleading construction diagram.