Tesla, yes, to wit: 'If you only knew the magnificence of the 3, 6 and 9, then you would have the key to the universe.'
The image you saw sounds like what has more recently been referred to as Vortex Math, pioneered by Marko Rodin and then furthered by Randy Powell. See these vids for starters:
DTI vid: https:// www.you tube.com/watch?v=QSMC7VnqOnQ&t=3s
Randy Powell vid: https:// www.you tube.com/watch?v=Fbyc9JW3vtk