Hi-fi digitisation of the published n=35 figure (sub-pixel container calibration, four-edge TLS line fitting per domino) + GPU settle-and-creep inflation repair, 9dp quantisation and exact rational verification. Candidate side 8.950346102275981; the newest published value is 8.95027+, so the remaining gap is ~0.0008%.
P90 · Dominoes in a square · Discussion