prusa-fdm-mixer/index.html at main · prusa3d/prusa-fdm-mixer · GitHub

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<!doctype html>
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<head>
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  <title>Prusa FDM Mixer · color prediction for multi-color 3D printing</title>
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<body>
  <main class="container">
    <header>
      <a class="vendor" href="https://www.prusa3d.com/" target="_blank" rel="noopener" title="Prusa Research s.r.o.">
        <img src="/prusa-research.svg" alt="Prusa Research" />
      </a>
      <h1>Prusa FDM Mixer</h1>
      <p class="subtitle">
        A calibrated model that predicts what your interleaved filament
        mix will actually look like on the print bed, fitted on measured
        Prusa XL samples. <strong>Live accuracy numbers</strong> —
        median ΔE, hit-rate at ΔE 5/8/10, sample counts — in the
        <a href="apps/harness/">harness</a>.
      </p>
    </header>

    <section class="apps">
      <a class="app" href="apps/playground/">
        <h2>Playground</h2>
        <p>Drag a slider, watch the predicted color update live. 2-color or 3-color triangle.</p>
      </a>

      <a class="app" href="apps/harness/">
        <h2>Harness</h2>
        <p>Score the model against measured prints. Compare prusa-fdm-mixer against legacy BambuStudio (linear sRGB), filament-mixer (current BS / FullSpectrum), and Kubelka-Munk. Toggle between training set, held-out set, or all.</p>
      </a>

      <a class="app" href="apps/gatherer/">
        <h2>Gatherer</h2>
        <p>Add your own measurements (LAB from a colorimeter or eyeball). Export JSONL.</p>
      </a>

      <a class="app" href="apps/calibration/">
        <h2>Calibration</h2>
        <p>Correct your NR200 colorimeter against neutrals (Tier 1), a 24-patch ColorChecker (Tier 2), or batch-convert Lab measurements to display hex (Tier 3).</p>
      </a>
    </section>

    <section class="swatch-source">
      <h3>The swatch we measured</h3>
      <p>
        Every Lab reading in this repo was taken from this printable filament swatch —
        single-extruder bases and 2- / 3-color interleaved layers. Print it on a Prusa
        XL, scan each tile with a colorimeter, log the result via the
        <a href="apps/gatherer/">gatherer</a>.
      </p>
      <div class="swatch-embed">
        <iframe
          src="https://www.printables.com/embed/1734852"
          title="Printables · filament swatch used for prusa-fdm-mixer measurements"
          width="640" height="190"
          scrolling="no" frameborder="0"
          loading="lazy"></iframe>
      </div>
    </section>

    <section class="callout">
      <h3>For slicer developers</h3>
      <p>
        The model is available as a TypeScript module
        (<code>src/prusa-fdm-mixer.ts</code>) and as a drop-in C++17 implementation
        (<code>cpp/prusa_fdm_mixer.{hpp,cpp}</code>). MIT licensed — vendor it.
      </p>
    </section>
  </main>
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