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4 products

Start with the spools makers reach for most. This featured LineBoss lineup highlights customer favorites across everyday PLA, durable PETG, premium silk finishes, and specialty blends like carbon fiber, wood, and marble, all built for clean extrusion, reliable layer adhesion, and standout final prints.

Launch week

20% off filament with code LINEBOSS20

Build the cart around the material you need today. Three 1 kg spools make it easy to build toward free U.S. shipping over $50, and the launch code applies at checkout.

Shop all filament

Quick buying guide

  • PLA — easiest everyday printing.
  • PETG — stronger functional parts.
  • TPU — flexible grips, feet, seals, and bumpers.
  • Specialty colors — matte, silk, glow, wood, marble, and display finishes.
Start with PLA