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A vector network improves on the path model by allowing lines and curves between any two points instead of requiring that they all join up to form a single chain. This helps provide the best of both worlds; it combines the ease with which points can be connected on paper and the ease with which geometry can be manipulated once it’s drawn. Splitting and recombining geometry is much more natural with vector networks. Delete anything, anywhere. Connect anything to anything else. Stroke cap and join styles just work naturally in vector networks, even for points with three or more lines coming off of them. This isn’t the case for paths because it’s impossible to use paths to represent attaching three lines together at a single point.— Evan Wallace of Figma, which is software specifically UI design, but I wonder if these vector tools have relevance for type design.
Another way we wanted to improve over existing vector editing tools was to add support for direct manipulation. Figma’s bend tool (the command key on OS X) lets you drag the curve around directly. The editor will automatically figure out where to place the control handles for you: