Set foot length, sail height, and number of panels in the sidebar.
2
Click any panel button in the list to open its inspector. Each panel has a top edge and bottom edge — both are the physical battens bounding that panel.
3
Toggle an edge SHAPED to add camber. Adjust depth (how much curve), apex (where the peak sits along the batten), and luff/leech bend (curve of the seam lines from batten to apex).
4
Switch to Panel View to see flat cut patterns with seam allowance. Each panel card has SVG, DXF, and G-code export buttons.
5
On the assembly view, drag to pan and pinch or scroll to zoom. Double-tap to reset the view.