Kumihimo Braid Patterns
16 Strand Square Braid
Sorry, I don't snap a pic of the starting pattern.
https://snapguide.com/guides/braid-kumihimo-square-braid/
8 Strand Square Braid
http://prumihimo.com/resources/braiding-patterns/square-braid/
Start with one color top and right, and one color left and bottom
Three 8 strand square patterns: