Fundraising Fox

Quadratic 3D

3 known investors

Find your way into Quadratic 3D

Quadratic 3D develops volumetric 3D printing technology using a no-supports, high-speed fabrication process aimed at mass customization for commercial and industrial applications. The company operates in the additive manufacturing and hardware space.

Also known as Quadratic 3D

Founders & leadership

SSSam Sanders
Sam SandersinCo-founder

Investors · 3

Company profile

researched Aug 2026

Quadratic 3D is an additive manufacturing company building volumetric 3D printing technology. Its stated aim is to enable mass customization through a fabrication process that requires no support structures and operates at ultra-high speed, which the company positions as addressing fundamental constraints that have persisted in 3D printing for roughly two decades.

The company describes itself as a startup led by entrepreneurs and engineers, and lists a team of about twenty named individuals, including co-founder Sam Sanders alongside Throop Wilder, Dan Congreve, Martha Finnegan, Lizz Hill, Gavin Kiel, Elango Kumarasamy, Erik Hinrichsen, Adeyinka Alofe, Ricky Rose, Sarah Poole, Ray Zhang, Henry O'Donnell, Brooke Chalmers, Karen Fukuda, Yasham Mundada, Kae Hoang, Rosemary Snyder, Aidan Schaffer and Samantha Moy. It maintains an active careers section and a general contact email for information and career inquiries.

Traction

The company states it is backed by venture capital investors and lists roughly twenty team members; it emphasizes direct customer feedback and rapid iteration in its development approach.

Full profile — market position, technology, go-to-market

Market position

Quadratic 3D positions itself as a venture-backed startup in 3D printing, presenting its volumetric approach as overcoming long-standing limitations of existing additive manufacturing methods.

Quadratic 3D differentiates on a no-supports, ultra-high-speed volumetric printing process, contrasted with constraints it attributes to two decades of prior 3D printing technology.

Technology

The core technology is volumetric 3D printing: a fabrication process that the company states requires no support structures and runs at ultra-high speed, intended to move from a digital concept directly to a finished 3D object with minimal intervening steps.

Go-to-market

The company frames its technology as opening up commercial and industrial applications, with mass customization as the central use case.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Non-dilutive funding · 1 SBIR/STTR award

Federal grants — no equity taken
AgencyPhaseYearAmount
National Science FoundationPhase I2021$255.4K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Research sources · 1

primary sources listed

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Quadratic 3D do?
Quadratic 3D is an additive manufacturing startup developing volumetric 3D printing for mass customization.
Who founded Quadratic 3D?
Quadratic 3D was founded by Sam Sanders.
Who are Quadratic 3D's investors?
Quadratic 3D's investors include Pillar VC, Safar Partners, Sierra Ventures.