So good ideas do not disappear behind the wall around hardware.

Hardware, for anyone.

For people who find problems and want to solve them, RHX helps make hardware more accessible to start and build.

Get Started

What we see

Software opened up. Hardware stayed closed.

In the last decade, software became something almost anyone can start. You can ship an app without writing code. Physical products are different. Even people with strong ideas still stop at verification, manufacturing, and safety.

Good ideas should not disappear behind expertise, cost, and equipment barriers.

Bad software may simply fail to run. Bad hardware can break — and sometimes hurt people. Hardware has a gate: "Will this survive the real world?" For a long time, that gate belonged mostly to specialists and large organizations.

What changed

We widen the starting point for hardware.

AI has made it much easier to explain ideas, build models, and write code. RHX extends that shift into physical products, turning planning, design, analysis, visualization, and fabrication into a flow more people can start from.

Toward a world where anyone can build hardware, we redesign a complex process into one connected flow.

RHXY

See what you couldn't.

We build RHXY. It orchestrates Plan, Sim, and Render capabilities around a project context, surfacing what to check: whether the structure holds, parts fit, manufacturing is plausible, and what might have been missed.

RHXY does not decide for you. It helps you make better decisions.

15+
Physics
297
APIs
58/58
NAFEMS
3
Capabilities
Rihyeon Kim

Founder

Rihyeon Kim

CEO & Creative Director

Rihyeon Kim has built across water rockets, robotics, 3D printing, drones, XR, and media art. As Creative Director of OASIS D.LAB, he planned, designed, and produced more than 300 physical products over ten years.

Across those projects, the same wall kept appearing. The idea could be clear, but checking whether it would actually hold up was always the most expensive and closed part of the work.

RHX began as the tool he needed for his own work.

Solver dev + NAFEMS 58/58 · CalculiX cross-validationHQ: Gwangju · R&D: Iksan

Milestones

2025.03RHX founded, Gwangju
2025.06Deep Tech Pre-Startup Package
2025.09NEXUS Engine v0.1
2026.01RHXY v0.3 — 9 types, 297 APIs
2026.03NEXUS shadow validation — NAFEMS 58/58
2026.04Private beta
2026.05University Startup Center

Partners

Pre-Startup Package (MSS)
University Startup Center
NVIDIA InceptionPlanned

A world where building hardware is as open as building software.

RHX | RHX.LAB