Ready to dive in?

Our short video tutorials will guide you through the essentials. From setting up your account to exploring key features.

Open ISTAI App

Prefer to work inside your CAD tool? Install a plugin below.

Install the plugin for your CAD tool

Push your model view straight into INTER\STITIAL without leaving your design tool. Sign in once with your INTER\STITIAL AI account.

Revit

2025 · 2026 · 2027 · Windows
  1. Download the plugin.
  2. Paste it into C:\Users\Name\AppData\Roaming\Autodesk\ApplicationPlugins
  3. Restart Revit and sign in.
Requires Revit 2025.5, 2026.5 or newer. On an earlier update, use version 1.1.0. Download for Windows

Rhino 8

Windows · macOS
  1. In Rhino, run the PackageManager command.
  2. Search for interstitial and click Install.
  3. Restart Rhino, then sign in from the toolbar.
Requires Rhino 8.17 or newer. Installs from the Rhino Package Manager

ARCHICAD 29

Windows · macOS
  1. Download the add-on for your system.
  2. Windows: Options ▸ Add-On Manager ▸ Add the folder containing the .apx.
    macOS: open the installer, it places the add-on for you.
  3. Restart ARCHICAD and sign in.
Windows macOS

Our plugins are not code-signed yet, so your CAD tool asks before loading them. That is expected. Choose Always Load and carry on. Having trouble?

SketchUp integration is on the way. You can always upload models directly in the web app.

#1 Installation guide

Tutorial: Installation guide for INTER\STITIAL AI

#2 Workflow basics Part I.

Tutorial: Workflow basics Part I

#3 Workflow basics Part II.

Tutorial: Workflow basics Part II

more tutorials and guides coming soon

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