1. Download and install the app.

2. Launch Revit and load your model.

3. Go to the ‘Add-ins’ tab on the ribbon bar. You will see three buttons: ‘Export’, ‘Preference’, and ‘About Us’.

4. Click ‘Export’ to export the model as a .step or .stp file.

   • A Save As dialog will appear where you can choose the directory and filename.

5. Use the ‘Preferences’ button to customize export options:

   • Write Free Points – export point data (disabled by default).

   • Write Free Edges – export wireframe/wire data (disabled by default).

   • Application Protocol – choose the required STEP protocol (AP203, AP214, AP242).

   • Reset Defaults – restore the default STEP export settings.

6. The ‘About Us’ button displays product information, license details, and company info.

Installation

1. To run this plugin with Revit, it is mandatory to have the ProtoTech Plugin Engine installed on your system.
2. The STEP Exporter for Revit installer will automatically install the Plugin Engine (if not already installed) and then proceed to install the exporter.

Uninstallation

1. Exit Revit (or any Autodesk product) if it is currently running.
2. Rerun the installer and select “Uninstall”, or go to:
3. Control Panel > Programs > Programs and Features (Windows 10/11) and uninstall as you would any other application.

Note: The Plugin Engine must be uninstalled separately from the Control Panel if required.