Cubic RAW (also known as three-dimensional right angle weave, or CRAW) is an extremely versatile weave. I used cubic RAW with size 11/0 and 15/0 seed beads to make this "impossible" triangle, "impossible" square, and actually quite possible jack.
Here are some other variations I found in my big box of beaded beads.
More simply, with cubic right angle weave, you can also make nice cables for necklaces and bracelets, like the following examples. From left to right, the four samples below contain 3.4mm seed bead drops and 11/0; 8/0 and two colors of 11/0; two colors of 8/0 and 11/0; four colors of delicas. The leftmost version with the drops is my favorite. It's got a nice bubbly texture.
I just uploaded a new Doceri video on how to weave cubic right angle weave like I did in the pieces above. I'm not sure that this is the best way to teach this weave, but somebody requested that I make the video, and last night around midnight, it seemed like a really good idea. So I drew a bunch of pictures in the wee hours, wove up the four little samples above, photographed the older pieces in the first two photos, and recorded it all the next morning for YouTube.
Since I REALLY don't enjoy recording my voice for these videos, this one is silent. Sorry, but this time, you'll just have to add your own sound track. The payoff is that it's much shorter when I don't blabber on and on, just 3 action-packed minutes of mathematical beady goodness.
If you like this post, you should check out the pattern and kits for the beaded Borromean Links, made with CRAW. You might also want to read about twisted cubic right angle weave. I also have a tutorial for the Highly Unlikely Triangle.