These are the lengths I used and that worked for me. It sums up everything number related: Justin says: Your link for the star knot is no longer working.
I also suggest to think in advance of a way of storing the leftover inner strands for later use if you don't want to end up with 7times more of an inner strand spaghetti meal than what you began with: When you reach those spots, tie a small constrictor knot using one of your leftover inner strands or use a bit of duct tape depending on your preferences. To form a basic braid around the core: Here's a short vid showing that it's indeed the real deal.
Prepare the "fall" as shown: Great design, excellent and clear instructable. Under 2 Over 1 4 strand: The theory behind it is quite simple: Take the leftmost strand and bring it under five other strands. Concentrate on a small section at a time, such as three inches.
Thus the new order will be B, D, A, C. Here is what I have done: Choose the number of strands and the colors you want to use, then get started on your own 4- or 8-strand round braid.
Wrap it over one of those middle strands so that it falls in between the two of them. For the next round, put plain cord under marked cord, again, snug up to the base. You are now ready to begin plaiting the first layer. If anyone is interested I'm selling them.