Professional FDM printing

Custom 3D printing with instant online quotes

Need parts 3D printed? Upload an STL, preview your model in the browser, pick material and infill, and get a price in about a minute — no back-and-forth email required. We print prototypes, fixtures, brackets, and functional parts from our shop in Williamsburg, Virginia and ship nationwide.

Get instant 3D print quote All manufacturing services
Instant quotes Upload STL · live 3D preview · price in ~1 minute
5 materials PLA, PETG, ABS, TPU, and PLA-CF
260 mm build Large-format FDM up to 260 × 260 × 260 mm
USPS shipping Flat Rate estimates included in every quote
Upload STL online Instant FDM quote Prototypes & production PLA · PETG · ABS · TPU Virginia shop Nationwide shipping

Who uses our 3D printing service

  • Inventors & makers — test-fit prototypes before committing to CNC or injection molding
  • Small businesses — jigs, fixtures, brackets, and low-volume end-use parts
  • Engineers — functional FDM parts in PETG, ABS, or PLA-CF for shop and field use
  • Hobbyists — custom enclosures, adapters, and replacement components
  • Firearms manufacturers — fixtures, gauges, and shop aids (where legally permitted)

How the instant quote works

  1. Upload your STL — millimeter units, up to 50 MB. See a live 3D preview in your browser.
  2. Configure print settings — choose material, layer height, infill, and quantity.
  3. Get your estimate — instant FDM price plus automatic USPS Flat Rate box selection.
  4. Submit for review — our team confirms printability and final pricing within one business day.
  5. Print & ship — we produce your parts and ship via USPS Priority Mail Flat Rate.
Start your quote now

Materials & capabilities

  • PLA: Everyday prototypes, display models, and general fixtures
  • PETG: Tougher parts with slightly more flexibility and chemical resistance
  • ABS: Heat-resistant functional parts — printed in an enclosed chamber
  • TPU: Flexible gaskets, bumpers, and soft-touch components
  • PLA-CF: Carbon-filled stiffness for structural brackets and tooling
  • Build volume: Up to 260 × 260 × 260 mm
  • Layer heights: 0.12 mm (fine) through 0.28 mm (draft)
  • Infill: 10% to 100% — configure during quoting

Why order 3D prints from Helios Systems

  • Real shop, real engineers — not a faceless upload-and-forget broker
  • Instant pricing — know your ballpark cost before submitting, not days later
  • Live 3D preview — verify orientation and scale before you commit
  • Shipping included in quote — USPS Priority Mail Flat Rate box auto-selected by part size
  • Quantity discounts — modest savings at 5, 10, and 20+ identical parts
  • One-stop manufacturing — need CNC after prototyping? Same team, same shop

3D printing + CNC from one Virginia manufacturer

Helios Systems is a licensed Type 07 FFL manufacturer in Williamsburg, Virginia. Beyond FDM printing, we offer 3-axis CNC machining, custom fixturing, and desktop CNC software and hardware. Prototype in plastic, then move to aluminum — without switching vendors.

FDM 3D printing CNC machining Custom fixturing Low-volume production

Ready to get your parts printed?

Upload an STL and receive an instant FDM estimate with shipping — takes about a minute.

Get instant 3D print quote Questions? Contact us