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Linus Ekenstam showcases the latest local version of PLY, a ramp and skatepark building tool, demonstrating the full workflow from component modeling, joists and construction details, materials and cut lists (including sheet layout and near-zero-waste optimization), to custom part joinery patterns, real-time time-lapse build guides, and exporting shop-ready PDFs, material CSVs, and SVGs that can be fed directly into a CNC. The tool emphasizes following real-world construction best practices and comes with a rich built-in library of preset components; it is still being refined and the team is recruiting beta testers.
This paper introduces SymBuild, a method that treats terminal symmetry as a reusable decision resource for sequential construction tasks, using a transport-refine-certify decomposition to improve anytime verified construction performance.