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progressive-web-app

An interactive rectangular Tonnetz for exploring how keys, notes and chords, and progressions relate. Based on figure 3 of Luis Nuño's paper “Representation of Harmonies on the Harmonic Wheel” (ITACA Institute, Polytechnic University of Valencia).

Offline-first PWA to turn a zine PDF or a set of images into an impositioned PDF, ready to print and assemble into a saddle-stitch booklet. Includes live sheet preview and an interactive 3D proof. Everything runs in the browser — your files never leave the device, and the app works offline.