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Graph Sketcher is a Mac app that converts your freehand sketches into clean, polished graphs in real time.
Draw a supply curve, a cost curve, or any economics diagram by hand on the canvas — and it instantly smooths into a clean Bézier curve. Add text labels, fill enclosed areas, and export as PDF or image for slides and handouts.
Built for educators and students who need to create economics diagrams quickly — without fighting PowerPoint or Illustrator.
Graph SketcherSketch economics graphs by hand — clean Bézier curve
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Hi Product Hunt! 👋 I'm Masa, an economics professor and indie Mac developer. For over a decade, I relied on Omni Graph Sketcher to create diagrams for my lectures — supply & demand curves, indifference curves, cost curves. When it was discontinued and stopped working on modern macOS, I couldn't find a proper replacement. PowerPoint is too tedious. Illustrator is overkill. Nothing filled the...
Graph SketcherSketch economics graphs by hand — clean Bézier curve