I would like to recreate this using code, my first guess would be finding the angle, most likely trigonometry, difference in x and difference in y, and using cos to get the angle and use that as a base for the transformation to create a line. However, I cannot figure out a way to get the x and y coordinates of both ends of the rectangle. Also, I don't know how to determine wether it's above or below the horizontal. Read EDIT One final thing is that scale is not the same as length, i.e. just because something has a scale of 1 does not mean it has a length of 1 in terms of the distance between each end. This is an example of what I would like to replicate. (https://imgur.com/a/kKDVRV4) Here is another: https://imgur.com/a/NiK9LmA thanks for any help EDIT: After a bit of experimentation, I figured out that I can see if the difference in y is positive or negative and therefore determine if the line should be above or below the horizontal.