Materials

TL;DR: Filament is hygroscopic — it absorbs moisture from the air, and wet filament ruins print quality in ways that look like tuning problems. The fix: keep spools in sealed, desiccant-filled containers (dry boxes) when not in use, and give water-sensitive filaments like nylon and TPU a heating cycle in a filament dryer before printing. A good storage setup costs $30-120 and fixes more print issues than any other single upgrade. ...

TL;DR: Every 3D printing material trades ease, strength, heat resistance, and cost. For 90% of hobbyists: use PLA for easy visual prints, PETG for functional/heat-resistant, and nylon/PC/CF when you need engineering performance (with the right printer). This is the complete reference table and guide. Quick Answer: Which Material Should You Use? Quick material picks by need: Need Material Easiest first prints, visual models PLA Functional parts, strength + heat PETG High heat / automotive ABS / ASA (enclosure) Flexibles, gaskets, phone cases TPU Gears, wear parts, engineering Nylon (PA) Extreme heat + strength Polycarbonate (PC) Stiff, light, high-performance Carbon-fiber composites Here’s the full breakdown. ...

TL;DR: The best filament brands of 2026 by consistency-to-value are Overture (best budget all-rounder), Polymaker (best engineering/quality), Hatchbox (best PLA), eSun (best value across the board), and Prusament (premium, best-in-class quality). Buy in bulk from one trusted brand to keep your settings stable. Quick Answer: Which Filament Brand Is Best? All brands here are “quality” — the differences are in price, consistency, tolerance, and specialty range: Brand Best For Price/Lb Quality Consistency Overture Best budget all-rounder $ Good Very good eSun Best value across materials $ Good Very good Hatchbox Best PLA $$ Great Excellent Polymaker Best engineering materials $$$ Great Excellent Prusament Best overall premium $$$$ Excellent Exceptional Sunlu Cheapest reliable bulk $ Fair-good Good “Quality” here means dimensional accuracy (+/-0.02mm vs +/-0.05mm), clogginess, color fidelity, and moisture handling. For most prints, a good budget brand is indistinguishable from premium — consistency across spools is what matters. ...

TL;DR: Use PLA for easy, cheap, detailed prints that won’t face heat or stress. Use PETG for functional parts needing strength and heat resistance — it’s the best all-rounder. Use ABS only if you specifically need high heat/durability and have an enclosure, or switch to ASA for outdoor use. Quick Answer: Which Filament Should You Use? It comes down to your use case: Need Choose Why Easy first prints, toys, visual models PLA Cheapest, easiest, cleanest Functional parts, brackets, outdoor-light PETG Strong + heat-resistant, still easy Auto parts, high-heat, durable engineering ABS / ASA Best heat + toughness, needs enclosure The modern consensus: most hobbyists print PLA for visual and PETG for functional. ABS has become the niche pick. Here’s the full breakdown. ...