Atum Works

Atum Works

Designs and manufactures desktop CNC machines

Overview

Atum Works designs and manufactures desktop CNC (Computer Numerical Control) machines that bring industrial-grade machining capabilities into a compact, desktop form. Its flagship AtumCNC uses a rigid steel and aluminum frame, high-speed spindles, and precision ball screws to cut a variety of materials—from plastics and composites to aluminum and other non-ferrous metals—enabling rapid prototyping, custom part production, and educational projects. The machine works by guiding a precision cutting tool under computer-controlled coordinates to carve or mill materials with high accuracy. The company differentiates itself by offering industrial-level performance in a desktop package, sold direct-to-consumer and to businesses, targeting small shops, engineers, and schools. Its goal is to make advanced manufacturing tools more accessible, affordable, and practical for users who lack space or budget for full-scale industrial equipment.

YC Company

About Atum Works

Simplify's Rating
Why Atum Works is rated
C
Rated B on Competitive Edge
Rated C on Growth Potential
Rated D+ on Differentiation

Industries

Hardware

Industrial & Manufacturing

Education

Company Size

1-10

Company Stage

Seed

Total Funding

$130K

Headquarters

Mountain View, California

Founded

2024

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Simplify's Take

What believers are saying

  • YC Launches and the April 2026 site update show active commercialization.
  • The company says it already built its first 3D nano-printer and first customers.
  • Forbes reported over $10 million raised, supporting extended R&D and pilot production.

What critics are saying

  • NVIDIA is only an LOI; no announced purchase contract or revenue yet.
  • Atum Works employs about three people, creating execution risk for manufacturing scale.
  • If 100-nanometer 3D lithography misses production specs, customers will abandon the platform.

What makes Atum Works unique

  • Atum Works claims 100-nanometer 3D lithography, not planar chip fabrication.
  • The company targets wafer-scale, multi-material structures through a single 3D printing workflow.
  • YC-backed Atum Works built a Mountain View lab before commercial launch.

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Funding

Total Funding

$130k

Below

Industry Average

Funded Over

1 Rounds

Notable Investors:
Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Below Average

Industry standards

$3.3M
$130k
Atum Works
$1.5M
Slack
$2M
Netflix
$2.3M
Instacart
$3M
Robinhood

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Company Equity

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