Sinter
<!-- hacklab:yc-profile -- YC company profile Accelerated plastics manufacturing Sinter is a radically faster plastics pipeline, helping iteration heavy hardware teams evolve fr…
About Sinter
YC company profile
Accelerated plastics manufacturing
Sinter is a radically faster plastics pipeline, helping iteration heavy hardware teams evolve from prototypes to production parts on week-scale timelines.
- YC batch: Fall 2026
- Founded: 2025
- Team size: 2
- Location: El Segundo, CA
- Country: US
- Status: Active
- Industry: Industrials
- Stage: Early
- Tags: 3D Printing, Manufacturing, Advanced Materials
- YC partner: Grey Baker
Founders
Oliver Johnson — Founder/CEO
cofounder Sinter (YC F26), building the future of scaled plastics. Prev operations at prediction market latency arbitrage firm, 3D print farm + college makerspace head, research intern at columbia LDEO, and 13 yr old mechanical keyboard retailer
Justin Kwon — Founder/COO
Founder at Sinter (YC F26) looking to expedite plastics manufacturing.
Previously Mechatronics at Shinkei Systems working on robotic fish processing and SWE at Manifold Labs working on FSDP model training.
Source: Y Combinator · Retrieved 2026-11-02. Company information is self-reported on YC.