In Europe, it is normal to use a tambour hoop for stretching and tensioning the cloth (although rectangular frames are also used), while in India, Iran and parts of Asia, for example, a rectangular tambour frame is preferred.
See also the TRC Needles entries on brodeur (tambour embroidery); tambour embroidery and tambour lace.
Digital source of illustration (retrieved 8th July 2016).
GVE