Select a reaction arrow item in the toolbar or in the reaction arrow popover. Click and drag to add a simple reaction arrow.
If positioning helper is activated (see preferences) the arrow snaps in at different angles (0°, 30°, 45°, 60°, 90°).
When using the mechanism arrow tool the curvature can be mirrored by holding the shiftkey while dragging.
By clicking on an existing arrow you can change between normal and half arrow tip.
By selecting the selection frame tool in the toolbar and clicking on an arrow the length, curvature and arrow tip can be changed with controlpoints. |