3D Puzzle
In this grasshopper example file you can model a laser-cut optimized 3D-Puzzle and also extract the joints, the final curves and the nesting 2D sheets.
Voronoi Panels
In this grasshopper example file you can model a series of random voronoi panels and extract the final curves for fabrication.
OpenNest
OpenNest by petras_vestartas is a Grasshopper plugin with tools for unrolling, packing and of course nesting curves directly inside the definitions. The library is based on Boost 1.62 that is used to compute NFP – No Fit Polygon.