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G3DP

HardwareCambridge, USAFounded 2015· One of 1708 Hardware companies tracked by AMPulse

A high-fidelity, large-scale additive manufacturing technology for 3D printing optically transparent glass structures at architectural dimensions.

CEO / Founder
Neri Oxman (as Head of the Mediated Matter Group)
Team Size
11-50
Stage
Active
Total Funding
$5M
Latest Round
Grant
Key Investors
MIT Media Lab

Technology & Products

Key Products

["G3DP (Glass 3D Printing) platform","3D printed glass objects and sculptures"]

Technological Advantage

The core technological advantage is the digitally integrated thermal control system with a dual-chamber heating design. This allows for precise manipulation of the molten glass and the annealing of the printed structures to ensure transparency and strength.

Differentiation

Value Proposition

Enables the creation of complex, custom, and optically transparent glass structures that are impossible to produce with traditional glass-forming methods.

How They Differentiate

G3DP differentiates itself through its focus on optical transparency and architectural scale. While other methods exist, they often result in opaque or sintered glass objects. G3DP's process is designed to create clear, solid glass structures.

Market & Competition

Target Customers

Architects, designers, artists, and researchers.

Industry Verticals

["Architecture","Design","Art","Aerospace"]

Competitors

Micron3DP; ETH Zurich (research group); Lawrence Livermore National Laboratory (research group)

Growth & Milestones

Growth Metrics

Revenue: $1M

Major Milestones

["2015: Publication of the G3DP project.","2016: Exhibition of G3DP-printed vessels at the Cooper Hewitt, Smithsonian Design Museum.","Licensing of the technology to a startup for commercial development."]

Notable Customers

N/A (The technology has been used to create pieces for museum exhibitions)

https://oxman.com/projects/glass-3d-printing

Why this company matters

G3DP emerged from the MIT Media Lab's Mediated Matter Group as a research platform for additive manufacturing of optically transparent glass at architectural dimensions. Unlike conventional glass-forming methods, which struggle with complex internal geometries, G3DP's process deposits molten glass layer by layer, enabling structures that are both structurally intricate and optically clear. The technology occupies a unique position at the intersection of advanced manufacturing, architectural design, and material science.

The core technological advantage is a digitally integrated thermal control system with a dual-chamber heating design. The first chamber melts and holds the glass at a precise temperature for extrusion, while the second chamber anneals the printed object to relieve internal stresses and maintain transparency. This closed-loop control allows the printer to manipulate the viscosity and flow of molten glass in real time, producing solid, clear objects rather than the opaque or sintered results typical of other glass 3D printing methods.

Target customers include architects, designers, artists, and researchers seeking custom glass components for installations, facades, or sculptures. The technology has been exhibited at the Cooper Hewitt, Smithsonian Design Museum, and pieces are held in permanent collections at MoMA and the Centre Pompidou. While the platform is not yet widely commercialized, the technology has been licensed to a startup for further development. Competitors include Micron3DP and research groups at ETH Zurich and Lawrence Livermore National Laboratory, but none match G3DP's combination of optical transparency and architectural scale.

The key open question is whether G3DP can transition from a celebrated research project to a commercially viable production platform. The $5 million in funding and modest revenue suggest early-stage development, and the reliance on museum exhibitions rather than industrial contracts points to a technology still finding its product-market fit. If the licensed startup can reduce cost and increase throughput, G3DP could become a standard for architectural glass fabrication; if not, it may remain a proof of concept.