Curve ends:
Hide Show Loop
Interpolation Function:
Bezier
Circular
Elliptical
Hybrid
Curve Colors
Control Polygon
Curvature
Left-click and drag to move a control point.
Middle-click orHold CTRL + left-clickand drag to move view.
Right-click orHold ALT + left-clickand drag to zoom view.
CTRL+Z/Y to undo/redo.