RailwayRouteOptimization/scripts/Block/InsertBlock/doc/InsertBlock_proc_en.html

<ol>
  <li>Choose the block you want to insert from the block list.</li>
  <li>Click the insert button or choose 'Insert Block' from the menu.</li>
  <li>Enter the rotation angle and scale factor for the block reference in the
  options tool bar.</li>
  <li>Specify the position of the inserted block by clicking a coordinate or
  entering a coordinate in the console.</li>
</ol>