Show HN: Protobench – workbench for hardware design that preserves intent

Category: devtools

Tags: hardware-design, ai-agent, cad, design-intent, workbench

Score: 4.7/10 (Innovation: 6, Technical: 4, Documentation: 2, Utility: 4)

Protobench is an early-stage AI-assisted workbench for hardware design that aims to preserve design intent by keeping references, constraints, and decisions alongside mechanical and electronic models. It integrates agent-driven research and change proposals within constraints, with planned exports to Fusion, FreeCAD, and KiCad, but the project lacks public code, documentation, and evidence of technical depth.

Target audience: hardware engineers and mechanical/electronics designers

Repository: https://twitter.com/protobenchAI/status/2117455772472811928

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