Gaspar, MiguelMartins-Ferreira, N.2015-11-262015-11-2620142183-6000http://hdl.handle.net/10400.8/1440Given an arbitrary region on the plane, modelled as a graph with a symmetry, we describe a procedure to find the best orientation for slicing, via a zigzag tool-path trajectory based curve, in order to minimize its discontinuities. We also develop some directions on how to generalize the procedure up to the level of optimizing tool-path trajectories on arbitrary surfaces rather than planar regions only.engToolpath generationZig-zag strategy optimizationAdditive manufacturingjournal article