Source: Zack Eakin (CEO, Layup Parts) via LinkedIn (June 2, 2026)
Coverage: TechCrunch — “Ex-Anduril engineer raises $42M to build the Amazon of composite parts” (Sean O’Kane, June 2, 2026)
The Signal
Layup Parts has raised a $42M Series A to scale its on-demand composites manufacturing platform. The round was led by Marlinspike (a dual-use venture fund already invested in Anduril and multiple defense manufacturing companies), with participation from Cerberus Ventures (founded by Chris Darby, former 20-year CEO of In-Q-Tel, the CIA’s venture arm), Pinegrove Venture Partners, and existing investors Founders Fund and Lux Capital.
The company is headquartered in Huntington Beach, California, with ~60 employees. The Series A follows a $9M seed round led by Founders Fund in May 2024.
What They Build
Layup Parts manufactures composite parts and tooling — carbon fiber, fiberglass, and related materials — on demand, with a software-driven platform designed to compress the time from customer data to delivered part from weeks to hours.
The founder’s thesis, articulated by CEO Zack Eakin (formerly Anduril, The Boring Company, Chip Ganassi Racing): every other manufacturing vertical — metal, plastic, PCBs — has been transformed by digital-first, on-demand platforms (SendCutSend, Protolabs, PCBWay). Composites have not. The market is fragmented, consolidation has reduced innovation incentives among incumbents, and the remaining shops lack the software capability to build zero-friction ordering systems.
Layup’s goal: make ordering composite parts as easy as ordering from Amazon.
The Defense Supply Chain Problem
Eakin’s insight came from inside Anduril’s manufacturing operations. Composite parts — structural airframe components, drone bodies, radomes, housings — are critical path items for virtually every autonomous systems program. The supply chain for these parts is slow, opaque, and dominated by shops that prioritize long-run production over rapid prototyping.
“I just decided this might be the best thing I can do for Anduril, is to go fix this part of the supply chain, because I don’t think it’s just an Anduril problem.” — Zack Eakin
The biggest revenue lines for Layup Parts are aerospace and defense — both startups and traditional primes. The investor syndicate reflects this: Marlinspike’s portfolio is defense-manufacturing-focused; Cerberus Ventures’ founding by the former In-Q-Tel CEO signals IC/defense-adjacent strategic interest.
Investor Signal Table
| Investor | Role | Defense Relevance |
|---|---|---|
| Marlinspike (lead) | Dual-use VC | Anduril investor; defense manufacturing thesis |
| Cerberus Ventures | New | Founded by Chris Darby, former CEO of In-Q-Tel (CIA VC arm) |
| Pinegrove Venture Partners | New | Dual-use/defense focus |
| Founders Fund | Existing | Palantir, Anduril, Shield AI; defense tech thesis |
| Lux Capital | Existing | Deep tech, domestic manufacturing, national security |
The Reindustrialization Pattern — Week of June 2, 2026
Layup Parts is the second significant domestic defense manufacturing announcement this week, alongside Westmag’s $11M seed for drone motors and robot actuators (see Topic 205). Both companies share structural similarities worth noting:
| Layup Parts | Westmag | |
|---|---|---|
| Focus | Composite parts & tooling | Drone motors & robot actuators |
| Round | $42M Series A | $11M Seed |
| Lead investor | Marlinspike | a16z |
| Common investors | Founders Fund, Lux Capital | Founders Fund, Lux Capital |
| Founder background | Anduril, Boring Company, motorsports | — |
| Location | Huntington Beach, CA | South San Francisco, CA |
| Defense angle | Composite supply chain for drones/UAS | ITAR-compliant motors for drones/robots |
Both companies are addressing the same underlying problem: the defense industrial base’s dependence on fragmented, slow, or foreign-sourced component supply chains for the autonomous systems programs that define the next generation of U.S. military capability.
The overlap in investors (Founders Fund and Lux Capital in both) is not coincidental — it reflects a deliberate thesis that the physical layer of the defense tech stack (components, materials, manufacturing) is as strategically important as the software layer.
What to Watch
- Facility expansion: Layup is moving into a larger facility in 2026 and growing headcount from ~60. Watch for capacity announcements.
- Customer disclosure: Eakin has not named defense prime customers publicly. As the company scales, customer disclosure will signal which programs are dependent on the Layup supply chain.
- Marlinspike portfolio integration: Marlinspike’s other portfolio companies are likely Layup customers. The fund’s full portfolio is not public, but cross-portfolio supply chain integration is a plausible strategic play.
- Regulatory tailwinds: ITAR-compliant composite sourcing requirements are tightening in parallel with drone component rules. Watch for Layup to position explicitly on ITAR compliance as a differentiator.
Signal sourced from Zack Eakin via LinkedIn and TechCrunch, June 2, 2026. See also: Westmag $11M seed — domestic drone motors (Defense Startups, same week).