🎯 Find Your Perfect Filament

Get personalized recommendations from 30+ materials

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Help Me Choose

Answer a few questions and we'll recommend the perfect filament for your project.
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I Know My Material

Browse our complete library of 30+ materials with specs, prices, and recommendations.

How It Works

  • 1. Install Extension

    Takes 30 seconds. Works on Chrome & Edge browsers.

  • 2. Shop Normally

    Browse Amazon, Overture, Polymaker, or any filament supplier like you usually do.

  • 3. Save Money

    See instant price comparisons and buy at the best price every time.

  • Updates Pending

    We're continuously updating and improving features to create the best experience and most savings possible.

Why Spool Depot?

Built by Chatelet Manufacturing - real 3D printing professionals who print thousands of hours per month.

✓ Compare 20+ suppliers instantly
✓ Price history and drop alerts
✓ Unbiased recommendations
✓ Reviews from actual makers
✓ 100% free extension

We got tired of hunting for deals and overpaying for materials. So we built a better way.