The below steps are detailed for the V6.0 version. If you are using V7.0, the steps will be slightly different.
,hold down the Option(Mac) or Alt(Windows) key, left click point F, enter -1cm in the “X distance” column, click “OK” to create point A. Similarly, left click point G, enter -1cm in the “X distance” column to create point B. Similarly, left click point B, enter 1.5cm in the “X distance” column to create point D.
,hold down the Option(Mac) or Alt(Windows) key, left click point A, enter 2cm in “Y Distance” column, click “OK” to create point B. Similarly, left click point C, enter -1cm in “Y Distance” column to create point D. Similarly, left click point E, enter -2.5cm in “Y Distance” column to create point F.