- The clamp is a type of fastening, so you cannot see it in the Palettes; it only shows Coupling and Ferrule.

- Connect the Ferrule to a pipe and continue drawing the Clamp, and the Gasket will automatically fit into the pipe.

- To change the type of Clamp or type of gasket, please press “CTRL+ LEFT MOUSE” on the objects and select a small arrow yellow button on the right. Currently, you can change up to 3 types of clamps: common 2-segment type, 3-segment type, and high-pressure type.

For clearer information, please check the General instruction PDF file that comes with the package.

Step 1: Install the packages

• Windows 10\11: C:\AutoCAD Plant 3D 2026 Content\CPak KLT Python for Tri-Clamp and Coupling

 The package automatically locates the latest version of your Autodesk® AutoCAD® Plant 3D™, if you have multiple versions of Plant 3D please change the location to which version you want.

Step 2: Open Plant 3D and open an arbitrary drawing, typing the command: “PLANTREGISTERCUSTOMSCRIPTS” to register the custom script.

Step 3: Open Plant 3D Spec Editor (run as administrator) and open the file “PythonClamp.pcat” This catalog is pre-built for compatibility with DIN 11850, but you can change dimensions to fit with any standard.

Step 4: Add the component from Catalog to your current spec and start modeling.

For clearer information, please check the General instruction PDF file that comes with the package.