Skip to main content

Mantle

HardwareSan Francisco, CaliforniaFounded 2017· One of 1734 Hardware companies tracked by AMPulse

Precision metal 3D printing technology designed specifically for tooling and mold tool components, utilizing proprietary TrueShape technology.

CEO / Founder
Kim Hayashi
Team Size
51-200
Stage
Subsidiary
Total Funding
$61.5M
Latest Round
Series C
Key Investors
Schooner Capital, Fine Structure Ventures, Foundation Capital, Corazon Capital, 11.2 Capital, Build Collective, Hypertherm Ventures, Future Shape

Technology & Products

Key Products

Mantle specializes in metal 3D printing technology for precision tooling and mold tool components, utilizing proprietary TrueShape technology and P200 3D printers.

Technological Advantage

Automates tool production, reduces dependency on skilled labor, and integrates advanced design features like conformal cooling channels.

Patent position

Mantle filed 3 patent families in 2022 to 2024, down from 9 in 2019 to 2021, falling 67%; tracked AM filings in the same patent offices fell 17%, so Mantle fell more steeply. AMPulse analysis

Filing momentum
3 families filed 2022–2024, 9 in 2019–2021 (-67%); all tracked AM filings in the same offices -17%
Filed in
WO 50%EP 43%US 7%
Named competitors, AM patent families
Carbon 124Desktop Metal 83

14 AM patent families in total. Recent years are still being published, so read a filing change against the same-office figure.

Differentiation

Value Proposition

Reduces tooling lead times by up to 90% and costs by up to 65%, delivering high precision and superior surface finish.

How They Differentiate

Focuses on precision tooling that significantly cuts production time and cost through advanced automation and patented technology.

Market & Competition

Target Customers

Manufacturers in the injection molding and toolmaking sectors

Industry Verticals

Manufacturing, Medical Devices, Consumer Products, Industrial Components

Competitors

Carbon, Desktop Metal

Growth & Milestones

Growth Metrics

Double-digit growth in shipments and expanding market presence

Major Milestones

Installation of five new P200 3D Printers, Secured significant funding rounds, Expanded customer base and market penetration in precision tooling

Notable Customers

Edwards Lifesciences, Intricon, Elite Mold & Engineering, Foursquare/TRE, Buss Precision Mold

https://mantle3d.com

AM patents

AM-relevant patents linked to this company.

Patents
15
Granted
1
Families
14

Leading domains: process (15), material (14), equipment (9)

Filings by year: 2023: 2 · 2022: 1 · 2021: 3 · 2020: 5 · 2019: 2 · 2018: 1

  1. FURNACE SYSTEM AND METHOD OF USE2021113768 · WO
  2. WASTE COLLECTION AND ABATEMENT DURING HYBRID ADDITIVE AND SUBTRACTIVE MANUFACTURING2022072359 · WO
  3. METHOD AND SYSTEM FOR AUTOMATED TOOLPATH GENERATION03797026 · EP
  4. MODIFICATION OF PART REPRESENTATIONS FOR ADDITIVE MANUFACTURING2025038472 · WO
  5. UNDESIRABLE VOID IDENTIFICATION AND CORRECTION IN 3D PRINTING2024035635 · WO

Funding rounds

  • Series C$20.0M2024-07-11Lead: Schooner Capital
  • Series B$25.0M2021-09-21Lead: Fine Structure Ventures

Why this company matters

AMPulse analysis, not a company disclosure

Mantle targets a specific gap in additive manufacturing: precision metal tooling for injection molding and die casting. While many metal AM systems focus on end-use production parts, Mantle's TrueShape technology and P200 3D printers are designed to produce mold inserts and tool components that require high accuracy, fine surface finish, and conformal cooling channels. The company claims it can reduce tooling lead times by up to 90% and costs by up to 65% compared to conventional machining and EDM.

The core technology combines metal paste deposition with a sintering process that achieves near-full density in materials such as P20, H13, and stainless steel. Mantle's system automates much of the toolmaking workflow, reducing reliance on skilled moldmakers and enabling design features that are difficult or impossible to machine. The company targets manufacturers in the medical device, consumer product, and industrial component sectors.

Notable customers include Edwards Lifesciences, Intricon, Elite Mold & Engineering, Foursquare/TRE, and Buss Precision Mold. Mantle has also formed partnerships with Spectrum Plastics Group, Westminster Tool, and Fathom Manufacturing. The company has raised $61.5 million from investors including Schooner Capital, Fine Structure Ventures, Foundation Capital, and Future Shape.

Mantle's primary competitive risk comes from established metal AM platforms from Desktop Metal and Carbon that are also targeting tooling applications, though those systems are generally optimized for different part geometries and volumes. Mantle's focus on tooling-specific workflows and materials gives it a narrow but defensible position in the U.S. manufacturing ecosystem.