Build stable model rockets, test engines, and predict flight performance in minutes using SpaceCAD — professional rocket design software for hobbyists and clubs.
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.
Most users run their first flight simulation within minutes of installation.
You need local administrator rights to install SpaceCAD on your Windows PC.
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).