LineBoss functional and engineering filament with 3D printed brackets, fixtures, and enclosures

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Functional & Engineering Filament

6 products

Build brackets, jigs, fixtures, housings, replacement parts, and working prototypes with materials selected for real-world service. Compare PETG for durable everyday parts, PLA+ for rigid strength, Carbon Fiber PLA for stiffness, ABS and ASA for demanding environments, or TPU for controlled flexibility.

Best for: shop aids, equipment parts, enclosures, fixtures, tools, and production-ready prototypes.

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Mix materials and colors for the projects on your bench

Choose the material that fits the job, then compare colors on each product page. Free U.S. shipping is available on qualifying orders over $50.

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Quick buying guide

Match the material to the job

  • PETG — the approachable choice for durable working parts.
  • PLA+ / Carbon Fiber PLA — rigid prototypes, fixtures, and tooling aids.
  • ASA / ABS — enclosed-printer materials for heat or outdoor demands.
  • TPU — flexible grips, feet, seals, guards, and bumpers.
Start with PETG