The program components are on the component tabs at the left side of the program window.
To place a component in the drawing area, follow these steps:
Click an icon on one of the component tabs. The corresponding component appears at the mouse pointer.
Move the mouse pointer with the component to the drawing area, in the 2D or 3D view.
Click where you want to place the component. The component will fasten in the drawing area and an identical component will automatically appear at the mouse pointer. To continue placing components, single click.
To stop inserting components, press the Esc key on the keyboard or move the mouse outside the drawing area.