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4.06 CircleFrame – Rubber bands as radius

In addition to the wedge tool, rubber bands can also form a tactile diameter or the center of the circle. Indentations are placed around the outside of the CircleFrame in which the rubber bands can be attached. These indentations are positioned so that the rubber bands exactly coincide with the degree indications along the circle. This way, the rubber bands intersect exactly in the center of the circle when they are attached around the CircleFrame. Slightly wider indents make the positions for 0, 30, 45, 60, 90 degrees, etc. easily recognizable.