From a Wave or applicable line of 4.

1. Hinge;
2. Box Circulate;
3. Box Circulate;
4. Hinge.

Usually ends in a Wave.

before Contour The Line         after Hinge (1)   after Box Circulate (2)   after Box Circulate (3)   after Hinge (done)

Notes:

• Contour The Line is quite versatile for use with parts-based concepts.

before Thirdly Tandem Contour The Line         after Hinge   after Box Circulate   after Tandem Box Circulate   after Hinge