Aplicación YC de F4 Industries

Summer 2025Active

F4 Industries pasó por Y Combinator en el batch Summer 2025 como una empresa de Industrials. Abajo: qué hace la empresa, quién la fundó y su aplicación a YC, reconstruida pregunta por pregunta en el formulario real de YC.

Batch YC: Summer 2025
Industria: Industrials
Tamaño del equipo: 5
Estado: Active
Lanzado: 2025

Fundadores

Paul ShinFounder
Aidan CantuCTO & Co-Founder

Lo que hace F4 Industries

GD&T takes years to master. Engineers must encode their design intent into a dense syntax that manufacturers must decode, and not everyone gets it right. Put ten engineers in front of the same drawing and you may get ten different interpretations. Which means errors often surface later in interface stack-ups, manufacturing, or in the field - when they’re far more expensive to fix. That’s why we built F4 - the platform that analyzes GD&T to determine whether your designs are ready for production. Drop in your drawing and 3D file. F4 analyzes every element of your GD&T to assess whether your design is clear, manufacturable, and production ready. To make the drawing easier to understand, engineers can visualize their datums, reference frames, and tolerance zones directly on the 3D model. F4 also calculates tolerance stack-ups instantly - directly from the drawing. What once took hours of manual work now takes seconds. When issues are found, F4 flags them and guides engineers toward resolving the problem. After analyzing your drawing, F4 also automatically generates design and inspection reports - stack-up tables, FAI reports - ready to share with your team. And it does all of this locally on-device with no AI used for analysis. Producing deterministic results engineers can trust.

Aplicación YC de F4 Industries, reconstruida

Solicitud de Y Combinator

F4 Industries, batch Summer 2025. Las preguntas reales del formulario, respondidas con datos públicos.

Founders2
Company7
Progress7
Idea4
Equity3
Curious2
Batch Preference1

Company

Company name

F4 Industries

Describe what your company does in 50 characters or less.

The GD&T Analysis Platform for Engineering Drawings

What is your company going to make? Please describe your product and what it does or will do.

We built F4 to analyze engineering drawings with GD&T annotations and 3D files, making it clear if designs are ready for manufacturing. Drop in a drawing and model; F4 checks every GD&T element, visualizes reference frames on 3D, calculates tolerance stack-ups instantly, and flags issues engineers can fix before production.

Where do you live now, and where would the company be based after YC?

We live in San Francisco, CA, and the company will be based here after YC as well.

Explain your decision regarding location.

San Francisco puts us close to industrial customers and manufacturing hubs intersecting with tech, plus the YC community itself is here.

21 respuestas más en la aplicación completa

están en la versión completa. Crea una cuenta gratuita para abrirla en YC Insights, junto a cada otro batch de YC.

Ver aplicación completa

Preguntas Frecuentes

¿Es esta la aplicación YC real de F4 Industries?

No. Y Combinator mantiene privadas las aplicaciones enviadas. Esta es una reconstrucción: las preguntas reales del formulario de YC, respondidas a partir de los datos públicos de F4 Industries (notas de lanzamiento, antecedentes de fundadores, descripción del producto). Muestra cómo una empresa como F4 Industries se presentaría a YC, no el texto que enviaron.

¿En qué batch de YC estuvo F4 Industries?

F4 Industries formó parte del batch Summer 2025 de Y Combinator.

¿Quién fundó F4 Industries?

F4 Industries fue fundado por Paul Shin, Aidan Cantu.

¿A qué se dedica F4 Industries?

The GD&T Analysis Platform for Engineering Drawings

¿Cómo leo la aplicación completa reconstruida?

Crea una cuenta gratuita de Round Funded. La versión completa de 26 respuestas de la aplicación de F4 Industries, y de cada otro batch de YC, está en YC Insights.