Ctrl length only · Shift keep opposite length · Alt break link?Corner nodeSquare nodes are straight corners with independent sides. Double-click the node to turn it into a smooth curve node.ShortcutsDouble-clickShift+SAltNode tools
For Round corner, select one or several nodes and drag any selected node inward. Every corner uses its own neighbours as limits.
Shapes
Press Create your own, then click a closed shape. Right-click a saved preset to edit or delete it.
Zoom
Left-click zooms in, right-click zooms out. Press both mouse buttons to pan temporarily.