● HarmonyCAD V2.0 Live

Anyone can invent now.

Turn rough sketches and descriptions into 3D models in minutes — no CAD experience needed.

What will you build?

Free to start — no card required

1. Sign up free2. Describe your idea3. Download your model
HARMONY_ENGINE.EXE
Input Prompt
Model Parameters
Blade Count
--
Pitch Angle
--
Root Radius
--
Tip Radius
--
Material
--
System Log
Initializing HarmonyCAD Kernel...
[OK] Kernel loaded.
_
Poly: ----Mat: ----

Built for you

Who are you?

Your prompt
""
Generated parameters

Nail your project brief, not the software.

No CAD training required. HarmonyCAD handles the complexity so you can focus on your design intent — perfect for coursework, prototypes, and final year projects.

Prompt to print-ready in minutes, not days.

Start for free →
4 min
First model generated
1
Prompt to 3D
0
CAD skills required
Free
To start today

Time calculator

See how much time
you'd save.

Based on our benchmark: each design takes ~4 hours in Fusion 360 and ~4 minutes in HarmonyCAD.

3
110
Traditional CAD
12h
per week
HarmonyCAD
12m
per week
You'd save
77d
per year

That's 11.8 hours back every week — 77 full working days a year.

Claim your time back →

How does HarmonyCAD work?

1

Describe your idea

Speak or type what you want to create. Natural language is the new syntax. See the full product capabilities to learn what's possible.

2

HarmonyCAD shapes it

Your model appears in seconds. It's editable, precise, and ready to evolve.

3

Export and build

Print it, share it, or refine it. From thought to physical object without friction. Have questions? Get in touch.

What can HarmonyCAD do?

Instant 3D Creation

Speak or type your idea — HarmonyCAD generates the model in seconds. No CAD complexity needed. Just say what to change.

Built for Makers

Whether you're a hobbyist, student, or engineer — HarmonyCAD gives you a faster path to creation. Export ready-to-print models. Browse our resources and guides to get started.

Merlin reviews your Designs

Merlin automatically inspects your models for weak points, printability issues, and functional flaws. Get clear, actionable guidance so every design is ready for the real world. Explore the full product to see Merlin in action.

From the blog

Stories, decisions, and thinking from the team building HarmonyCAD.

All posts →
Founder StoryMay 2026

Why We Built HarmonyCAD

The idea was clear. The software was not. Here's the story of why HarmonyCAD exists — and the gap in the market it was built to fill.

Read →
OpinionMay 2026

The Problem With CAD Software for Creatives

Fusion 360 isn't the answer for creatives. Here's why traditional CAD tools fail the people who need 3D the most — and what they actually need instead.

Read →
MakersMay 2026

How Hobbyists Are Designing Custom Parts Without CAD Software

The way hobbyists design custom parts is changing fast — and many are doing it without ever touching traditional CAD software.

Read →

Pricing

Start free. Scale when you're ready.

No CAD experience needed at any tier. Your first model is always free.

Free
Free
No card required

Everything you need to start turning ideas into 3D models today.

  • Core AI model generation
  • Basic STL export
  • Merlin AI assistant
  • In-browser 3D viewer
Start for free
Export
Pay per export
Only when you need it

When your model is ready to print, export in optimised quality.

  • Everything in Free
  • Optimised STL output
  • Higher resolution geometry
  • Print-ready file quality
Start for free
Most popular
Unlimited
Monthly
Create without limits

For makers and designers who are building every single day.

  • Unlimited model generation
  • Unlimited optimised exports
  • Priority Merlin assistance
  • Early access to new features
Start unlimited

All plans start free. No commitment, no credit card required to begin.

Common questions

Have questions about HarmonyCAD?

HarmonyCAD is an AI-powered 3D CAD design tool that helps makers, students and engineers sketch, constrain, optimise and export print-ready 3D models — without needing any CAD experience. See the full product to learn more.

Not sure yet?

Not sure if HarmonyCAD is right for you?

Ask Merlin — HarmonyCAD's built-in AI assistant. Tell it what you're trying to build and it'll tell you if we're the right tool for the job.

Ask Merlin →

So, what are we building?

Ready to create?

Free to start — no card required

1. Sign up free2. Describe your idea3. Download your model

Curious first? Explore the product, read the docs, or get in touch.