Edit: Edit nodes by selecting the Pen tool and Edit Mode from Tool Options. Select a shape or node and right click for the Edit menu or choose 'Objects > Edit' from the Main Menu. For some shapes, you must first 'Convert to Path' before you can edit nodes. Select 'Convert to Path' from same menu.
Node Type: To edit the 'Node Type', select node, right click for menu or use 'Object > Node Type' from Main Menu. Current node types will be grayed out. Just about every action in this tutorial requires a Cusp node.
Apply: Click 'Apply' to apply changes to current shape or to deselect an object. If you are changing Properties or setting colors for the next shape to be drawn, make sure the previously drawn object is not still selected. 'Apply' before creating a new shape or the new shape will get attached to the selected shape.
To ADD a node, select Pen tool, Edit Mode (or Knife Mode), select the line segment that needs another node. Hold down Ctrl key while hovering over line segment, when > +ADD appears, click to add node.
To REMOVE a node and MERGEthe 2 line segments on each side of node into 1 line, select the node, right click, select Edit, then Merge.
To REMOVE a node and completely DELETEthe 2 attached line segments, follow same actions as above except choose Delete.
