Sand Hill Angels

Sand Hill Angels is an angel investor network based in Mountain View, California, founded in 2000. It comprises more than 60 Silicon Valley technology professionals who support startup formation and growth by investing in private technology companies across North America at seed and early stages, including bridge rounds. The group focuses on technology sectors such as clean technology, Internet, information sciences, semiconductors, enterprise software, storage, and communications, as well as life sciences including medical devices, diagnostics, and bioinformatics. Typical investments range from $300,000 to $500,000 with pre-money valuations under about $5 million. The network collaborates with venture capital funds and other angel organizations and actively engages with the Bay Area ecosystem to foster the growth of technology startups.

Harper Cheng

Investor

Ralph Eschenbach

Vice President

Gregory Horner MD

Investor and Board Director, Diversity Equity Inclusion

Tim Kelly

CFO

Jinpei Li

Investor

Past deals in 3D Printing

GaeaStar

Seed Round in 2023
GaeaStar manufactures eco-friendly single-use cups using patented technology that prints thin clay cups from locally sourced materials. This innovative approach aims to reduce waste and promote sustainability in the face of increasing pressure to move away from traditional, non-recyclable cups.

ICON

Series B in 2022
ICON is a construction technologies company that focuses on revolutionizing homebuilding through the use of 3D printing, robotics, software, and advanced materials. The company specializes in constructing single-story, mid-size homes, particularly in developing countries, allowing for faster and more cost-effective building compared to traditional methods. By leveraging innovative technologies, ICON aims to address the housing needs of underserved communities, streamlining the construction process for engineers and builders alike.

GaeaStar

Venture Round in 2022
GaeaStar manufactures eco-friendly single-use cups using patented technology that prints thin clay cups from locally sourced materials. This innovative approach aims to reduce waste and promote sustainability in the face of increasing pressure to move away from traditional, non-recyclable cups.

Nanochon

Seed Round in 2021
Nanochon is developing an implantable, 3D-printed cartilage implant designed to replace damaged cartilage and promote new tissue growth in joints, with a focus on knee damage. The device combines 3D printing and a novel nanomaterial to enable on-demand, cost-effective solutions intended to restore joint function and improve outcomes for young and active patients.

ICON

Series B in 2021
ICON is a construction technologies company that focuses on revolutionizing homebuilding through the use of 3D printing, robotics, software, and advanced materials. The company specializes in constructing single-story, mid-size homes, particularly in developing countries, allowing for faster and more cost-effective building compared to traditional methods. By leveraging innovative technologies, ICON aims to address the housing needs of underserved communities, streamlining the construction process for engineers and builders alike.

Relativity Space

Series E in 2021
Founded in 2015, Relativity Space is a pioneering aerospace company based in Long Beach, California. It specializes in manufacturing and launching orbital rockets using proprietary 3D printing technology, significantly reducing the number of parts and assembly time compared to traditional methods.

Mighty Buildings

Series B in 2021
Founded in 2017, Mighty Buildings is a pioneering construction technology company based in San Francisco. It specializes in manufacturing custom houses using proprietary 3D printing techniques, aiming to revolutionize the residential housing market by reducing waste and enhancing energy efficiency.

Relativity Space

Series D in 2020
Founded in 2015, Relativity Space is a pioneering aerospace company based in Long Beach, California. It specializes in manufacturing and launching orbital rockets using proprietary 3D printing technology, significantly reducing the number of parts and assembly time compared to traditional methods.

Volumetric

Seed Round in 2020
Volumetric, Inc. is an advanced biomaterials and biofabrication company based in Houston, Texas, established in 2014. It specializes in developing a 3D bioprinting platform designed to create vascularized human tissue, which can be utilized in various applications such as life sciences, drug discovery, and medical devices. The company offers bioprinters and bioinks that aim to facilitate innovations in biomaterials, cancer research, and the potential replacement of human organs. By focusing on creating materials embedded with living cells, Volumetric is at the forefront of integrating cutting-edge technology into healthcare solutions.

Volumetric

Seed Round in 2019
Volumetric, Inc. is an advanced biomaterials and biofabrication company based in Houston, Texas, established in 2014. It specializes in developing a 3D bioprinting platform designed to create vascularized human tissue, which can be utilized in various applications such as life sciences, drug discovery, and medical devices. The company offers bioprinters and bioinks that aim to facilitate innovations in biomaterials, cancer research, and the potential replacement of human organs. By focusing on creating materials embedded with living cells, Volumetric is at the forefront of integrating cutting-edge technology into healthcare solutions.

Relativity Space

Series C in 2019
Founded in 2015, Relativity Space is a pioneering aerospace company based in Long Beach, California. It specializes in manufacturing and launching orbital rockets using proprietary 3D printing technology, significantly reducing the number of parts and assembly time compared to traditional methods.

Orbital Composites

Seed Round in 2019
Orbital Composites specializes in the fields of 3D printing, Composites, robotics automation, and carbon fiber. Their Robotic automation offers tremendous advantages at the fraction of the cost of traditional manufacturing systems, including scalability, and complex 3D printing on curves.

BotFactory

Convertible Note in 2018
BotFactory develops and manufactures desktop electronic circuit printers. Its flagship product, Squink, enables users to design and create 3D printed electronic prototypes using print conductive ink, dispense solder paste or glue, and pick and place components. BotFactory serves Fortune 500 research labs, aerospace companies, universities, and electronics makers, accelerating their prototyping processes.

Orbital Composites

Convertible Note in 2018
Orbital Composites specializes in the fields of 3D printing, Composites, robotics automation, and carbon fiber. Their Robotic automation offers tremendous advantages at the fraction of the cost of traditional manufacturing systems, including scalability, and complex 3D printing on curves.

BotFactory

Venture Round in 2016
BotFactory develops and manufactures desktop electronic circuit printers. Its flagship product, Squink, enables users to design and create 3D printed electronic prototypes using print conductive ink, dispense solder paste or glue, and pick and place components. BotFactory serves Fortune 500 research labs, aerospace companies, universities, and electronics makers, accelerating their prototyping processes.

BotFactory

Venture Round in 2016
BotFactory develops and manufactures desktop electronic circuit printers. Its flagship product, Squink, enables users to design and create 3D printed electronic prototypes using print conductive ink, dispense solder paste or glue, and pick and place components. BotFactory serves Fortune 500 research labs, aerospace companies, universities, and electronics makers, accelerating their prototyping processes.

Bagaveev

Seed Round in 2014
Bagaveev Corporation is a startup based in Half Moon Bay, California, that specializes in the design, development, and testing of advanced rocket engines specifically tailored for nanosatellite launches. Established in 2013, the company focuses on creating pressure-fed, 3D-printed aerospike engines that are intended to power both the lower and upper stages of a 35-foot rocket capable of delivering 10-12 kg nanosatellites into low Earth orbit and Sun-synchronous orbit. Bagaveev aims to provide reusable launch solutions, enabling clients the capability to launch nanosatellites on a weekly basis, with integrated guidance, navigation, and control systems to facilitate reliable operations. The company is supported by key figures in the tech investment community, including notable accelerators and advisors.
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