MIT Professor's 3 GrokBots Build a Fracture Simulator and 3D-Print Parts in an Hour
新智元 · wechat · 2026-09-06
MIT professor Markus Buehler gave three GrokBots four nature photos and a mechanics question; an hour later his 3D printer produced two plastic parts (19.48g total). A Chief-of-Staff bot coordinated a Physics Experimenter (which wrote HIER-FRACTURE, a layered Euler-Bernoulli beam simulator from scratch) and a 3D Printing Bot (driving BambuStudio's GUI).
Across 47 simulations (6 held out for testing), it found that with fixed material budgets, stiffness varies ≤20% but impact tolerance differs severalfold — deeper hierarchies are often more brittle, and weak junctions act as fuses enabling progressive failure. The AI also overturned its own pre-registered hypothesis H2. The key insight: bots operate existing software GUIs rather than robotic arms, meaning any GUI-equipped instrument (CNC, oscilloscopes) is in reach — cutting automated science from million-dollar labs to a $1,749 desktop machine, with humans kept in the loop for approvals.
Related event: MIT Professor Runs Full Engineering Design Pipeline with Grok Agent Team(2 posts)→
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