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Survey tools for AutoCAD and Civil 3D

Download R3Survey

Download the latest version below. A valid licence key is required to activate — contact us for a trial or purchase.

Current release

R3Survey C3D

For Civil 3D 2025–2026

Download v1.0.0.2 — July 2026

R3Survey Acad

For AutoCAD 2025–2026

Download v1.0.0.2 — July 2026

See the changelog for what's new in this release.

Installation

  1. Close AutoCAD / Civil 3D before running the installer
  2. Run the installer — if Windows SmartScreen warns you, click More info then Run anyway
  3. Open AutoCAD or Civil 3D — when prompted with an "Unverified Publisher" dialog, click Always Load
  4. Type R3ABOUT at the command line, click License Activation, paste your licence key, and click Activate

Updating

Download the new installer and run it — it replaces the previous version. Your licence and settings are preserved. You can also type R3UPDATE in AutoCAD to check if a newer version is available.

Previous versions

Older versions are available if you need to roll back. Your licence key works with any version.

Version Date R3Survey C3D R3Survey Acad
1.0.0.2 July 2026 Download Download
1.0.0.1 March 2025 Download Download