Design & Simulate Model Rockets
— Before Launch

Build stable model rockets, test engines, and predict flight performance in minutes using SpaceCAD — professional rocket design software for hobbyists and clubs.

decoration Free 30-day trial with all features activated

decoration No account required • No credit card
decoration Runs locally on your PC • Uninstall anytime

Install SpaceCAD on your local PC and try all features without limitations.

If you’re happy, order a license key to support ongoing development and keep building model rockets.
 If not, let us know what didn’t work — your feedback helps improve SpaceCAD.

Here's what you can do with SpaceCAD

  • Design model rockets easily using an interactive, beginner-friendly interface
  • Build faster with parts from a large, built-in rocket parts database
  • Automatic stability calculation with instant feedback
  • One-click flight prediction for apogee, velocity, and flight profile
  • Visualize your rocket in 2D and 3D before you build

Most users run their first flight simulation within minutes of installation.

SpaceCAD is perfect for

  • Beginners
    Avoid common stability mistakes and understand how rocket design affects flight
  • Experienced builders

    Compare engines, configurations, and design variations with confidence
  • Clubs & competition flyers

    Analyze and refine designs before launch day

How to install SpaceCAD

  1. Click on the download button to save the installer on you computer
  2. Open the file installer.exe from your Downloads folder
  3. Follow the on-screen instructions to complete installation

You need local administrator rights to install SpaceCAD on your Windows PC.

Already a registered user?

Run the download to upgrade to the latest version.
 Your existing SpaceCAD 7 license key will continue to work.

Looking for the previous version?

You can still download SpaceCAD 6 here:
Download SpaceCAD 6 (old version).

Windows 10 compatible
Supported Operating Systems

  • Microsoft® Windows® 11
  • Microsoft® Windows® 10

System Requirements

  • 4 GB RAM
  • 100 MB free disk space
  • Full HD (1920x1080) display
  • Printer supported by Windows

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