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Mantle

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Precision metal 3D printing for the tooling Industry

San Francisco, United StatesFounded 2015Aviation
Valuation $100–250M Last recorded · 2024
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Mantle and the history behind them.

About Mantle

Mantle3D is revolutionizing the tooling industry with its advanced metal 3D printing technology. The company specializes in producing high-hardness steel tools used in the manufacturing of precision parts. These tools are essential for creating molds and dies, which are critical components in the production of various plastic and metal parts across multiple industries.

Mantle3D serves clients in the $45 billion tooling industry, including Original Equipment Manufacturers (OEMs) who are under increasing pressure to reduce costs, speed up development times, and enhance product quality. The company's innovative technology delivers precision metal parts with tolerances and surface finishes that rival those produced by traditional CNC machining, but with significantly reduced lead times and minimal post-processing.

The business model of Mantle3D combines the best aspects of conventional manufacturing and 3D printing. By integrating flexible geometry and optimized conformal cooling lines, Mantle3D's technology enables the production of more parts per hour, improving both cost efficiency and quality. This approach not only speeds up product development but also increases profitability and fosters innovation.

Mantle3D generates revenue by providing these advanced tooling solutions to manufacturers who need to streamline their production processes. The company's experienced leadership team, with a track record of shipping millions of products from scientific equipment to consumer goods, is dedicated to solving the industry's toughest challenges and shaping the future of manufacturing.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2015
Headquarters
San Francisco, United States
Employees
43
Open positions
None listed
Dealroom signal
62.0/100
Industry
Transportation, Semiconductors
Sector
Aviation, 3D Printing, Spinout, Aviation and Aerospace, Metal, DT and LS, science-based
Technology
3D Technology, Deep Tech
Business model
Manufacturing
Client focus
b2b
Investment activity
1 company, latest Dec 2023
Capital deployed
$3.6M
Preferred round
SEED

Funding history

8 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONOther financing Oct 2025 $0 — Angstrom ↗
SERIES COther financing Jul 2024 $20M $80M 11.2 Capital · Fine Structure Ventures · Foundation Capital · Build Collective ↗
Showing the latest 2 of 8 recorded eventsBook a demo for the full funding history →

Growth signals

Mantle website traffic

Latest recorded traffic for Mantle is 16K monthly website visits, up 23.1% over the last three months. Mantle's team declined 17.3% over the past year.

Latest monthly visits16K 3-month web change+23.1% 1-year team growth-17.3%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

11 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A7 investors entered at this stage

Series B and later2 investors entered at this stage

  • Schooner Capital
  • Build Collective

Other known investors2 additional known investors

  • Angstrom
  • University of Toronto
Team profiled 15 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States96.2%
🇮🇱 Israel3.9%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Mantle on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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