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Robotics

A horned centaur robot built so it cannot fit through a human door

SatyressRobotics

California's Satyress showed Threehalves: a two-metre teleoperated robot with four legs and tools instead of hands, for work that kills people. Its safety is not in the software but in the geometry.

In short
  • California startup Satyress showed Threehalves - a teleoperated centaur-shaped robot around 2 metres tall, with four legs.
  • No hands: tools such as a chainsaw attach to its arms through square mounts. Cameras in the head give the operator a video feed.
  • Safety is built into the shape: the horns will not pass through a standard pedestrian door and the robot cannot turn around in an ordinary hallway.
Checked on11 August 2026Responsible editorTsvetelin IvanovHow we workMethod · Corrections

Its horns are wide enough that it will not fit through a standard door. That is not styling. It is a safety measure.

The facts: California startup Satyress showed Threehalves - a teleoperated centaur-shaped robot standing around two metres tall, with four legs and a humanlike upper body. It has no hands: tools such as a chainsaw attach to its arms through custom square mounts. Cameras in the head give the operator a video feed. The stated users are foresters, operators, builders and craftsmen exposed to conditions the company calls inhumane. Founder Beau Gaston has been working on the machine since 2022. By design the horns will not pass through a standard pedestrian door and the robot cannot turn around in an ordinary hallway; certain weaker points on the body can be pierced to stop it instantly, and damaged modules are quickly replaceable. It travels crouched in the bed of a pickup.

Teleoperated means a human sits behind it. The company puts it honestly: we are not replacing the skilled worker, we are giving them superpowers where the job today carries a risk to life.

The robot is not the interesting part, though. The decisions are. Instead of software promising not to enter human space, the machine physically does not fit into it. The measure is in centimetres, and centimetres do not update by mistake.

Safety here is not in the software. It is in the geometry.

And the honest boundary: this is a prototype shown on a social network and a podcast. I will check back after the first site it has actually worked on.

The visual is generated code art. No third-party images.
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Sources
Official primary source
→Satyress - official site
Media confirmation
→Dezeen - Satyress designs centaur-like robot Threehalves
Original: https://wearecoded.com/en/articles/satyress-robot-kentavar-threehalves.html
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