Tools
Brush
1
Click to add points, double-click to finish. Arrows show flow (green = source, red = mouth). Click a river to select, then drag points or press F to reverse flow. Shift+click on a river to branch a tributary from it.
Click to add points, double-click to finish. Click a path to select, then drag its points or pick Small/Medium/Large to change its size. Shift+click a road to branch off it, or Shift+click a road while drawing to merge into it (branches can be a different size). Right-click undoes a point.