Elefantenhaus at Zoo Zürich

We are currently working on a research project for our Structural Morphology exam. The focus of our study is the computational reconstruction and structural analysis of the Elefantenhaus at Zoo Zürich. We are deeply fascinated by the genesis of this free-form timber roof and are attempting to recreate its complex geometry and logic using Rhino and Grasshopper (and kangaroo)

The building is certainly interesting from a construction point of view. Personally, I find the random skylights hideous.


As a startpoint you could triangluate some inputsurface and relax it. Later apply a dual graph to the triangles and do that … random openings based on Curves or whatever.

In contrast, the supporting framework is a real feast for the eyes!

Anyhow a nice casestudy and thanks for sharing the input!

Off topic…. In the past, gridshells have been erected without scaffolding. I’m not saying the Elefantenhaus is a gridshell, I just hate the scaffolding and exessive formwork à la EPFL which often requires a ton of material which is later thrown away.

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Yes! I was thinking of the same! I totally agree with you about the scaffolding/material excess!
At least prototypes of timber segmented shells have been erected without :grinning_face:

So much. I think we’ve done this before, but here’s another example:
(Armadillo vault by Phillipe Block at ETH Zurich)

Wow! So thin! No mortar! Such efficient material use!
Scaffold/formwork is a construction project all of its own:

Also a nice example.
And then it’s always about “mimicking nature”… as if nature wasted so much energy on something unnecessary :grinning_face:

It’s like the Beijing National Stadium, but worse.

As if birdnest and watercube had a child.