Contiguous US: free shipping over $35Stock and timing confirmed before paymentUltraline 3D · supplier-reported capacity
FilamentBay filament spools and printed vases in warm daylight

Filament for your next project

Choose your material. Make it your own.

Everyday PLA, durable PETG, flexible TPU and specialty finishes. Find the material that fits your part and printer.

20 grades · 1.75 mm · 1 kg spools

Stock and delivery confirmed before payment.

Four places to start

Shop all 20 grades

PLA Filament

Explore for décor and figurines · rapid prototypes

$15.99 / 1 kg · 1.75 mm

Stock confirmation required

AMS / AMS lite

4+ ≈ $14.07 / spool
10 colors
  • White
  • Grey
  • Black
  • Light Green
  • Dark Red
  • Orange

PETG Filament

Explore for planters and outdoor parts · mechanical brackets

$16.99 / 1 kg · 1.75 mm

Stock confirmation required

AMS / AMS lite

4+ ≈ $14.95 / spool
18 colors
  • White
  • Grey
  • Black
  • Red
  • Yellow
  • Blue

PLA Silk Filament

Explore for vases and sculptures · gift boxes

$18.99 / 1 kg · 1.75 mm

Stock confirmation required

AMS / AMS lite

4+ ≈ $16.71 / spool
14 colors
  • White
  • Grey
  • Pink
  • Blue
  • Gold
  • Red

TPU 95A Filament

Explore for phone cases · drone bumpers

$24.99 / 1 kg · 1.75 mm

Stock confirmation required

External spool

4+ ≈ $21.99 / spool
8 colors
  • White
  • Clear
  • Black
  • Blue
  • Orange
  • Yellow

Mix any 4 spools and save 12%. Included automatically in your order request, across every material and colour.

Not sure which one?

Tell us what the part has to survive

Narrow the catalog by application and feeder. Check the selected grade’s limitations before printing.

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Filament extrusion lines at the Ultraline 3D factory

Behind the material

We make it ourselves

FilamentBay is the direct brand of Ultraline 3D: the supplier describes its own plant and materials lab. See the supplier-source register and request batch evidence for a production decision.

  • 2015Founded
  • 20,000 m²Factory
  • 1,000 tPer month
  • 50+Extrusion lines