Sinter was founded by Oliver Johnson, Justin Kwon in 2025.

Who are Sinter's investors?

Sinter's investors include Y Combinator.

Where is Sinter headquartered?

Sinter is headquartered in El Segundo, US.

Sinter

El Segundo, US · Founded 2025 · 2 employees · 1 known investors

Find your way into Sinter

Sinter operates a US-based plastics manufacturing pipeline using additive technologies, helping hardware teams move from 3D-printed prototypes to production parts on week-scale timelines.

Advanced Manufacturing Robotics 3D Printing Manufacturing Advanced MaterialsUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (F26)

Sinter was founded in 2025 by Oliver Johnson and Justin Kwon.

Oliver Johnson inFounder/CEOFounder and CEO of Sinter.

Justin Kwon inFounder/COOFounder and COO of Sinter, which works on speeding up plastics manufacturing. He previously worked in mechatronics at Shinkei Systems on robotic fish processing and as a software engineer at Manifold Labs on FSDP model training.

Investors · 1

Y CombinatorSan Francisco · $500K

Frequently asked questions

What does Sinter do?: Sinter operates a US-based plastics manufacturing pipeline using additive technologies, helping hardware teams move from 3D-printed prototypes to production parts on week-scale timelines.
Who founded Sinter?: Sinter was founded by Oliver Johnson, Justin Kwon in 2025.
Who are Sinter's investors?: Sinter's investors include Y Combinator.
Where is Sinter headquartered?: Sinter is headquartered in El Segundo, US.