Layout is used to define the structure of a sail in terms of yarn
layouts, panel layouts, tape layouts, yarn density, and/or film types.
Output from 3D Layout is used to shape 3DL molds or provide seam curves
for paneled sails. All yarns are plotted in the same 3-dimensional
space they will assume when sailing. 3D shapes are translated into
panel layouts for downwind sails. 3D Layout also has powerful
analytical tools which can be used independently or in conjunction with