Side mode

the same steps apply to machine assisted and manual boxes drawing process select a class, place a point at the front or back (at the side) of the object place another point on the opposite side to set the length if you regret where you placed the second point, you can press shift , and the red arrow will appear again move the cursor to the side and click when you feel happy with the width a cuboid should appear if you wish to draw a manual box instead of with automation press shift while following the steps above