Assembly Design > Using Assembly > Creating Components > Creating Subassemblies > To Create a Subassembly by Copying an Assembly
  
To Create a Subassembly by Copying an Assembly
You can insert a component by creating a copy of it and placing it in the assembly.
1. In an open assembly, click . The Create Component dialog box opens.
2. Click Subassembly, and then Standard.
3. Accept the default file name or enter a new file name, and click OK. The Creation Options dialog box opens.
4. Click Copy from existing.
5. Click Browse, select the name of a component to copy, and click Open. The name of the selected component appears in the Copy From text box.
6. You can select Leave component unplaced to include the new component in the assembly without defining placement constraints.
7. Click OK.
The new subassembly is placed in the assembly, or it is included in the assembly as an unplaced component if you selected Leave component unplaced.