REV1
YC W26San Francisco, US · Founded 2026 · 2 employees · 2 known investors
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REV1 develops AI-powered software that automatically converts 3D CAD models into production-ready 2D engineering drawings with geometric dimensioning and tolerancing annotations for mechanical engineers.
Also known as Hefaisto
Advanced ManufacturingAI & Machine LearningDeveloper ToolsEnterprise SoftwareUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W26)
REV1 was founded in 2026 by Alex Rivero and Louis Liu.
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Alex RiveroCo-Founder and CEOAlex Rivero worked as a mechanical engineer at Apple and Tesla. He is building an AI product for mechanical engineers focused on processing engineering drawings.
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Louis LiuCTOLouis Liu is building AI tools for mechanical engineers focused on processing engineering drawings.
Investors · 2
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Blast.Clubreported$5.5M
How we know: Y Combinator's founder network · Not right? Tell us
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Legal entities · 1
corporate structureREV1, Inc.
In the news
Frequently asked questions
- What does REV1 do?
- REV1 develops AI-powered software that automatically converts 3D CAD models into production-ready 2D engineering drawings with geometric dimensioning and tolerancing annotations for mechanical engineers.
- Who founded REV1?
- REV1 was founded by Alex Rivero, Louis Liu in 2026.
- Who are REV1's investors?
- REV1's investors include Y Combinator, Blast.Club.
- Where is REV1 headquartered?
- REV1 is headquartered in San Francisco, US.


