Zone colors
Brush height
When checked, clicking a painted cell stamps every connected same-color cell at once instead of just the one you clicked.
Right-click a cell to reset its height to 0.
Width
Length
Height
Direction
Click a cell to place · double-click to edit · right-click to delete.
Arrow types
Click-drag on the canvas to draw an arrow of the selected type. Double-click an arrow to switch its type; right-click to delete it.
Legend / cell counts