Creating polygons from scratch....

Now the topography has been sketched out, the polygons can now be created using the sketched lines as references.

• Create/Shapes/Line/Select points
• Set snap (magnet with a 3 icon at top) create all polygons.
• Convert to editable poly
• Weld vertices together: select all vertices/Edit vertices/Weld (click on box) /Reduce threshold to zero, then come up one click.
• Align all centre vertices to create nice mirror edge: Select all vertices/Edit geometry/Make planar/Select X,Y or Z)

Here, I've created all the polygons and began to drag them out into their positions: