R112 - modelint/flatland-model-diagram-editor GitHub Wiki
R112 / 1:1
Bend is drawn along exactly one Path
Path establishes line of exactly one Bend
Whereas a Path is a user specified request for the placement of a line, a Bend is the actual line computed between two Corners.
For each Path specified by the user it is necessary to compute the corresponding Bend so that it can be drawn.