Prototyping.io

Prototyping.io is a Y Combinator-backed company that aI-native mechanical manufacturing platform. Based in Sunnyvale, USA, the company participated in the Spring 2026 batch of Y Combinator.

Prototyping.io is a manufacturing intelligence platform that understands mechanical designs, identifies manufacturability issues early, provides actionable insights and delivers custom mechanical parts (CNC machining, sheet metal, 3D printing, injection molding, etc.) with faster lead times, lower cost, and high quality.

Prototyping.io was part of Y Combinator's Spring 2026 cohort, has a team of approximately 2 employees, and is actively operating.