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San Draw

HardwareSan Jose, USAFounded 2014· One of 1733 Hardware companies tracked by AMPulse

Develops desktop silicone 3D printing systems using patented Fluid Additive Manufacturing (FAM) for full-color, multi-hardness medical and industrial components.

CEO / Founder
Michael Lu
Team Size
11-50
Stage
Active
Total Funding
$1.16M
Latest Round
Seed
Key Investors
VCapital, Global Health Impact Fund, RHIA Ventures, Aspire NZ Seed Fund, GD1 (Global From Day One), Berkeley SkyDeck

Technology & Products

Key Products

Desktop silicone 3D printers; San Draw Silicones

Technological Advantage

Proprietary FAM process enables multi-material silicone printing which is traditionally difficult to achieve with standard AM methods; offers a 'one-stop' hardware and material ecosystem.

Differentiation

Value Proposition

Enables on-demand production of complex silicone parts with variable shore hardness and full-color capabilities, eliminating expensive tooling costs for medical implants and industrial seals.

How They Differentiate

Unlike standard polymer printers, San Draw focuses specifically on silicone with the ability to adjust hardness and color dynamically during the build process.

Market & Competition

Target Customers

Medical device manufacturers, aerospace engineers, and industrial designers requiring custom silicone components.

Industry Verticals

Medical; Aerospace/Defense; Automotive; Industrial; Consumer

Competitors

Spectroplast (Silicone AM), Lynxter (Modular liquid/silicone AM), Arburg (Freeformer silicone processing)

Growth & Milestones

Growth Metrics

Product portfolio expanded to 4 distinct silicone 3D printer models (S0, S1, S2, S3); Patented FAM technology in the US and Taiwan

Major Milestones

Developed world's first desktop silicone 3D printing technology; Achieved Full Product Ready status

Notable Customers

National Taiwan University Hospital, Chang Gung Memorial Hospital

https://www.sandraw.com

AM patents

AM-relevant patents linked to this company.

Patents
7
Granted
3
Families
7

Leading domains: equipment (7), process (7), software (4)

Filings by year: 2018: 1 · 2017: 1 · 2016: 4 · 2014: 1

  1. Color or multi-material three-dimensional (3D) printing10286601 · US
  2. Color or multi-material three-dimensional (3D) printing09688022 · US
  3. APPARATUSES, SYSTEMS AND METHOD FOR GENERATING THREE-DIMENSIONAL OBJECTS WITH ADJUSTABLE PROPERTIES20190070845 · US
  4. APPARATUSES, SYSTEMS AND METHODS FOR GENERATING THREE-DIMENSIONAL OBJECTS WITH ADJUSTABLE PROPERTIES2017156415 · WO
  5. Apparatuses, systems and methods for generating three-dimensional objects with adjustable properties109070446 · CN

Funding rounds

  • SeedSource: PitchBook

Why this company matters

AMPulse analysis, not a company disclosure

San Draw develops desktop silicone 3D printing systems based on its patented Fluid Additive Manufacturing (FAM) process. The technology addresses a gap in polymer AM: the difficulty of printing silicone, a material valued for its flexibility, biocompatibility, and thermal stability. Unlike standard thermoplastic or photopolymer printers, San Draw's FAM process can dynamically adjust both color and hardness within a single build, enabling multi-material silicone parts without tooling.

The company offers four desktop printer models (S0, S1, S2, S3) and a proprietary silicone material line. Its target customers include medical device manufacturers, aerospace engineers, and industrial designers who need custom silicone components such as medical implants, seals, gaskets, and soft-touch prototypes. Named customers include National Taiwan University Hospital and Chang Gung Memorial Hospital, indicating early traction in medical applications.

San Draw competes in the niche silicone AM segment against Spectroplast, Lynxter, and Arburg. Its differentiation lies in combining full-color printing with variable shore hardness in a desktop form factor, which is difficult to achieve with standard AM methods. The company emerged from Stanford University research and participated in the Berkeley SkyDeck accelerator. Key investors include VCapital, Global Health Impact Fund, RHIA Ventures, Aspire NZ Seed Fund, GD1, and Berkeley SkyDeck.

A key question for San Draw is whether its desktop silicone systems can scale from prototyping and low-volume medical production to higher-throughput industrial applications, where established silicone molding processes remain cost-effective at volume. The company's proprietary hardware and material ecosystem provides a moat, but the narrow addressable market for multi-material silicone printing limits near-term growth potential.