I don't know if anyone would be interested, but I stumbled across some gorgeous free Japanese weaving patterns while hunting for knitting patterns. They're by Pierrot, a Japanese yarn company. They're all charted, so they should be easy to figure out even if you don't know Japanese.
Click on any of the pictures to be taken to that pattern's page. To get the pattern itself, click on the link where it says 織り図 (next to the little pattern schematic icon) and the PDF will download.
Hope someone finds this useful!