THIS IS A HARD ONE HOW TO PROGRAM THIS FRACTAL TREE IN BLUERPINT ???
You rotate the triangle. 
Your example is cool. But its different from previous triangles. I mean lines are from vertexes to the middle like on image.
THIS IS A HARD ONE
Disagree and I’m just gonna leave this here:
That’s the same thing in 64 languages, Python is probably the easiest to read even if you do not know python. You can use math expression nodes in BP to keep things tight.
Ok, thank You for huge help.