Prelude Ventures

Prelude Ventures is a San Francisco-based venture capital firm established in 2013, dedicated to investing in early-stage startups that aim to address climate change. The firm focuses on sectors such as advanced energy, food and agriculture, transportation, logistics, advanced materials, manufacturing, and advanced computing. By supporting innovative businesses in these areas, Prelude Ventures seeks to foster the development of the next generation of companies that can significantly impact environmental sustainability and contribute to a more sustainable future.

Carly Anderson

Principal

Katie Clasen

Principal

Mark Cupta

Managing Director

Matt Eggers

Managing Director

Gabriel Kra

Managing Director

Past deals in 3D Printing

Augmenta

Seed Round in 2025
Augmenta is motivated by the belief that generative methods enable a revolution in the way people function and approach. They provide the construction industry with the ability to design buildings more efficiently and at a lower cost, enabling a future of sustainable buildings, cities, and infrastructure. Their designs are NEC and customer specification compliant, use real parts, are fully constructible and optimized for prefabrication.

Fortify

Venture Round in 2023
Fortify is an advanced manufacturing startup focused on digital composite manufacturing for 3D-printed parts with optimized material properties. The company uses magnetically aligned reinforcing fibers and high-resolution microstructure control enabled by magnetics and digital light processing to produce carbon fiber reinforced composites with tailored mechanical and electromagnetic performance. Its technology enables engineers to manufacture durable, functional parts with customized material properties for applications such as injection mold tooling and high-performance end-use components.

Holo

Series B in 2021
Holo, Inc. is a technology company specializing in the design and manufacture of 3D printed parts using advanced additive manufacturing techniques. Founded in 2017 and headquartered in Oakland, California, Holo utilizes a unique polymer binder platform that is compatible with various materials, including copper, ceramics, and composites. Their patented 3D photolithographic process allows for the simultaneous exposure of eight million voxels, enabling the production of complex geometries that are subsequently chemically processed and sintered to create finished parts. Holo's technology is tailored for high-quality digital manufacturing at scale, addressing the needs of performance-driven applications across diverse industries.

Fortify

Series B in 2021
Fortify is an advanced manufacturing startup focused on digital composite manufacturing for 3D-printed parts with optimized material properties. The company uses magnetically aligned reinforcing fibers and high-resolution microstructure control enabled by magnetics and digital light processing to produce carbon fiber reinforced composites with tailored mechanical and electromagnetic performance. Its technology enables engineers to manufacture durable, functional parts with customized material properties for applications such as injection mold tooling and high-performance end-use components.

Fortify

Series A in 2019
Fortify is an advanced manufacturing startup focused on digital composite manufacturing for 3D-printed parts with optimized material properties. The company uses magnetically aligned reinforcing fibers and high-resolution microstructure control enabled by magnetics and digital light processing to produce carbon fiber reinforced composites with tailored mechanical and electromagnetic performance. Its technology enables engineers to manufacture durable, functional parts with customized material properties for applications such as injection mold tooling and high-performance end-use components.

unspun

Seed Round in 2019
Unspun, Inc. is a digital apparel company based in San Francisco, California, founded in 2015. It specializes in creating custom jeans tailored to individual consumers using advanced body scanning technology, fit algorithms, and additive manufacturing. The company aims to address environmental challenges by minimizing pattern-cutting waste and unsold inventory, thus contributing to a reduction in global carbon emissions. Unspun's innovative approach enables on-demand production of jeans in under ten minutes, utilizing localized manufacturing processes designed to be zero-waste. Its technology has gained recognition, including being named one of TIME's Best Inventions of 2019, and supports a B2B platform that facilitates digital customization for major apparel brands.

Fortify

Seed Round in 2019
Fortify is an advanced manufacturing startup focused on digital composite manufacturing for 3D-printed parts with optimized material properties. The company uses magnetically aligned reinforcing fibers and high-resolution microstructure control enabled by magnetics and digital light processing to produce carbon fiber reinforced composites with tailored mechanical and electromagnetic performance. Its technology enables engineers to manufacture durable, functional parts with customized material properties for applications such as injection mold tooling and high-performance end-use components.

Holo

Seed Round in 2019
Holo, Inc. is a technology company specializing in the design and manufacture of 3D printed parts using advanced additive manufacturing techniques. Founded in 2017 and headquartered in Oakland, California, Holo utilizes a unique polymer binder platform that is compatible with various materials, including copper, ceramics, and composites. Their patented 3D photolithographic process allows for the simultaneous exposure of eight million voxels, enabling the production of complex geometries that are subsequently chemically processed and sintered to create finished parts. Holo's technology is tailored for high-quality digital manufacturing at scale, addressing the needs of performance-driven applications across diverse industries.

PolySpectra

Venture Round in 2017
PolySpectra is a materials company that develops functional materials and light-activated catalysts for advanced additive manufacturing. The company provides stereolithography resins and other light-curable materials designed to print durable plastic parts and enable production-scale 3D printing with tailored properties from a single chemical system. Founded in 2016 and headquartered in Berkeley, California, PolySpectra aims to transform 3D printing from prototyping to production by offering modular materials platforms that support a broad range of mechanical, thermal, and functional properties for engineers and designers.
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