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About this Abstract
Meeting 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Symposium 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Presentation Title Print-planning using Edge-weights and Streamlines for Close Alignment of Toolpaths to Objective-informed Vector Fields
Author(s) Joseph McKee, Ian Rybak, Joshua Green
On-Site Speaker (Planned) Joseph McKee
Abstract Scope Toolpaths in additive manufacturing can strongly affect surface texture, mechanical performance, conductivity, and more. Previous work closely aligned toolpaths to a target vector field as generated by a Hamiltonian path solver running on a lattice pattern developed from a Delauney mesh with weights of edges based on misalignment to the vector field. Though improved over standard infill patterns, the best aligned edge for any node in the graph could be misaligned by up to 30 degrees. This study assigns node locations using streamlines derived from the target vector field providing increased alignment of edges available for the solver. This graph enabled increased resultant path alignment as demonstrated by tailoring toolpaths to imitate brush strokes using vector fields derived from artwork. These methods improve both the alignment of edges available for path selection and the mean edge-weight throughout, supporting objective-informed toolpaths to address additive manufacturing challenges.
Proceedings Inclusion? Undecided

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