To create a Vector in the Main Menu select Model -> Construction -> Add vector.
There is no construction of blocks. Vector is an intermediate object built in order to make the dialog boxes of blocks construction more concise.
There are two methods to create a Vector.
Create with dx, dy, dz¶
The Vector can be defined by dx, dy and dz.
Arguments: 3 reals.
The dialogue box to create a vector with dx, dy, dz is: