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Engineering the underground.

An ETH Zürich student team designing and building micro tunnel boring machines.

Groundhog Gamma.

8.6 meters long, 60.8 cm across. Designed, machined and assembled by students.

Four subsystems.
One machine.

Each small team of students works on its own subsystem, but in the end, everything needs to come together and work as a whole.

Every part, accounted for.

Built in-house or carefully sourced, every component is modelled and checked before the machine ever goes underground.

Take it apart yourself.

The full Gamma assembly, in your browser.

Faster, more precise tunnels for the water, power and data lines cities run on.

Founded in 2020, more than 200 students from twelve countries design, manufacture and operate every machine themselves, then take it underground to compete.

Groundhog, in four figures

8.19m
Total length
200kN
Propulsion force
0.606m
Bore diameter
3.1t
Machine weight
Team members in high-visibility vests setting up equipment beside the machine at dusk, with the Alps on the horizon
Setting up at dusk.Dübendorf · 2025

Three entries. Three podiums.

  1. 2024Champion AwardGroundhog Beta · Bastrop, Texas1
  2. 2023Innovation AwardGroundhog Beta · Bastrop, Texas2
  3. 2021Innovation & Design AwardGroundhog Alpha · Las Vegas, Nevada2

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