1. Choose the block you want to insert from the block list.
2. Click the insert button or choose 'Insert Block' from the menu.
3. Enter the rotation angle and scale factor for the block reference in the options tool bar.
4. Specify the position of the inserted block by clicking a coordinate or entering a coordinate in the console.
5. To create a whole array of blocks, click the array button in the options toolbar:
   
   Enter the columns, rows, column spacing and row spacing in the dialog that is shown. These properties can also be edited later using the property editor.