Example of defining a rule

Define a placement rule

(A) Element to be placed
(B) Vector 1
(1) Placement rule - first base point
(2) Placement rule - first direction point

First result:

(C) Vector 2
(3) Placement rule - second base point
(4) Placement rule - second direction point

Second result:

The element (= second result) is attached to the crosshairs and can be placed as you require.