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Bead loom is based on four-fold symmetry. Traditional bead loom existed before European contact, and new versions are still in use today. There are four different designs: Embroidery, Shoshone, Pawnee, and Navajo.
If you have the same shape reflected in both directions, it is called "four-fold symmetry." Four-fold symmetry is a deep design theme in many Native American cultures. It is used as an organizing principle for religion, society, and native technology.
Wampum beads were made from welk shells. Other traditional beads were made from shells, as well as stone, ceramics, and metal. Native Americans gradually adopted European beads as they became available. Today's beadwork styles show both traditional and contemporary influences.
Navajo sand paintings provide good examples of four-fold symmetry. A medicine man ("hataalii") completes the drawing in one day, using colored powder such as crushed stone. The painting is brushed away later that night, along with the illness. In the Navajo religion, the hataalii heals through the balance of forces. Sand paintings often use reflection symmetry to show these paired forces.
The bead loom is much like a Cartesian coordinate system. We have beads in rows and columns: the X axis and the Y axis.
I picked the goal image I wanted and it set up a triangle for me and I filled in the colors that related to the goal image.
First, I used the rectangle function to help set this up. Then I added points to match the goal picture, and I changed the color of the beads so they would correspond with the goal picture.