Although loomed pieces are typically rectangular, it is possible to increase and decrease to produce angular or curvy shapes.
Bead looms vary in size and are typically made of wood or metal.
Cheap bead looms are sometimes made from styrofoam trays, wrapping the warp through evenly-spaced small slits notched into opposite edges.
Heddle bead looms were popular in the United States near the beginning of the 20th century.
Off-loom beadweaving is a family of beadwork techniques in which seed beads are woven together into a flat fabric, a tubular rope, or a three-dimensional object such as a ball, clasp, box, or a piece of jewelry.