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Formlabs Form 4

Daniel Sumner edited this page Sep 24, 2026 · 23 revisions

Overview

Stereolithography (SLA) is a precise, resin-based 3D printing technology that uses a UV laser to cure liquid photopolymer resin into solid, high-resolution, and intricate parts. SLA printing is an ideal technology for producing detailed models with smooth surface finishes, high strength, and accuracy.

We have two Formlabs Form 4 Resin printers and offer most of Formlabs Standard Resins

Strengths

  • High resolution and detail
  • Smooth surface finish
  • Wide range of material options (Discovery Lab Stocked Resins)
  • Fully solid parts
  • Biocompatible options available

Weaknesses

  • Higher material costs
  • Greater processing costs
  • Greater environmental impact

Specifications

  • Build Volume: 200 × 125 × 210 mm
  • X-Y Resolution: 50 µm with pre-tuned anti-aliasing for subpixel resolution
  • Z-Layer Thickness: 25–300 µm (depending on material and resolution settings)
  • Smallest Feature: ~50 µm
  • Technology: MSLA, 405 nm LFD (Low-Force Display)
  • Dimensional Tolerance: 1-30 mm features: ±0.15% (lower limit: ±0.02 mm) 31-80 mm features: ±0.2% (lower limit: ±0.06 mm) 81-150 mm features: ±0.3% (lower limit: ±0.15 mm)

Materials

Available Materials: Total of 38 Formlabs materials, including 15 biocompatible, or third-party materials using Open Platform. New materials being developed periodically. See All Materials On-hand Materials: Black v5, White v5, Clear v5, and Flexible 80A

Equipment

Formlabs Form 4 Printer

Formlabs Form Wash V2

Formlabs Form Cure V2 120V

Design Resources

Additional Resources

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