You can briefly see the red blob logo at 7m 37s into the video. :-)
FWIW, I am a square-grid fanatic for tabletop games. Manmade structures just don't fit on a hex grid and 1.5 is a "close enough" approximation to sqrt(2) that you have 8 degrees of freedom instead of a mere 6.
[1] https://www.youtube.com/watch?v=thOifuHs6eY