I am trying to create a pattern like this. I tried using parakeet plugin but stuck with that. 
Here is the script of what I did and the results:
The problem is that the diamonds that are formed are perpendicular but i need at 45 degrees. What should I do.
I recognise that image-
It’s taken from a blog post by me 12 years ago! 
It was done in Grasshopper, but definitely no plugins, as I think there weren’t any yet at the time. I’m not sure GH even had data trees at that point.
I doubt I have the definition any more, but if I recall it was just a separation of the grid into alternating cells then rotation by summed inverse distances to the source points.
