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FOURIER DRAWING ENGINE
Fourier Epicycle Drawing Machine
Decompose a parametric drawing into Fourier epicycles, then render the rotating circles, reconstructed path, error metrics, coefficient CSV, SVG projection, Markdown brief and JSON receipt.
Reviewed 2026-06-29
DesignDiscrete Fourier coefficients from a closed parametric pathCoefficient amplitude/phase ledgerReconstruction error metricCSV/SVG/Markdown/receipt exports
WHY THIS BELONGS ON FASTTOOL
A visually serious tool should produce an artifact, not a paragraph.
This page creates a 3D scene, an inspectable projection, a ledger, a written proof brief and a receipt that humans and AI agents can compare.