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Challenge / Goal

The municipality of Sirnach in Thurgau was confronted with an intriguing problem in its future architectural planning: Since the surrounding landscape made it difficult for the municipality to expand, the already existing building space had to be condensed for spatial expansion. In order to avoid “simply filling in gaps with new buildings”, those responsible drew up a spatial model and asked us for support in communicating it.


Some of the 7,767 inhabitants of the municipality of Sirnach will have listened with irritation to the keyword “spatial model”, since such a model has the potential to affect their freedom of ownership. It was therefore all the more important to find a way to communicate all future building plans in a clearly visible and comprehensible manner in order to allay the fears of drastic restrictions and changes among those affected.


Nomoko was contacted in August 2021. From mid-September to the end of November of the same year, Nomoko subsequently let their drones circle over Sirnach. Almost unnoticed by the population in terms of noise complaints, Nomoko's drone team took around 6800 pictures in 8K resolution and then digitally merged them into a 3D model. Although Nomoko's work took place in the autumn months, the models allow for season-independent representations as well as various weather & sunlight simulations.

Citizen participation

The municipality officials displayed a presentation of the spatial model and the visualization that Nomoko created, which depicted the future development of Sirnach municipality, to the citizens. This was done to help them comprehend the proposed modifications and express their opinions and feedback to them.


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Time period

Planning time: Less than 6 months

Implementation time: Less than 6 months


Nomoko, Sirnach Municipality

Service providers


End users

All citizens

    Main benefits

  • Limiting urban sprawl

  • Promoting sustainable use of land

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