Technical Specifications – Formlabs Form 4

Feature Form 4
Technology Masked Stereolithography (MSLA)
Printer Engine Low Force Display™ (LFD)
Light Source 405 nm LED array (60 LEDs) + plano-convex lens array
XY Resolution 50 µm
Layer Thickness 25–200 µm
Build Volume (W × D × H) 200 × 125 × 210 mm (5.25 L)
Max Part Length 273 mm
Max Print Speed Up to 100 mm/h
Typical Print Speed ~40 mm/h (varies by resin)
Dimensional Accuracy ±0.15–0.3 % depending on part size
Surface Accuracy Up to 99.7 % of points within 100 µm with Precision Model Resin
Supported Resins 23 Formlabs resins + third-party (Open Mode)
Resin Cartridge Type Next-gen cartridge (faster fill, less waste)
Resin Heating 25–45 °C with conduction + IR sensor
Tank Lifetime ~75 000+ layers (approx. 190 prints at 100 µm)
LPU Lifetime 600 000–1 900 000 layers (~2800 prints)
Supports Auto-generated, light-touch
Printer Dimensions 398 × 367 × 554 mm
Min Access Dimensions 407 × 478 × 844 mm
Weight 18.3 kg (40.4 lb)
Operating Temperature 18–28 °C
Power Requirements 100–240 V, 50/60 Hz, 480 W
Connectivity Wi-Fi 2.4/5 GHz, Gigabit Ethernet, USB-C
Control Interface 7″ touchscreen (1280×800), multilingual
Camera 5 MP, removable, remote monitoring, timelapse
Software PreForm (print setup), Dashboard (cloud), Fleet Control (fleet management)
File Types Supported Input: STL, OBJ, 3MF • Output: FORM
Sensors Resin level, temperature, Z-force, tilt, cartridge, camera
Alerts Touchscreen, speaker, email/SMS via Dashboard

Highlights

  • Ultra-fast printing: Achieve up to 100 mm/hour with Low Force Display™ (LFD) technology and 60-LED backlight.
  • Industrial reliability: Verified 98.7% print success rate from third-party testing.
  • Precision modeling: 99.7% of surfaces within 100 μm of CAD model when using Precision Model Resin.
  • Advanced light engine: Uniform 405 nm illumination with plano-convex lens array and optical power of 16 mW/cm².
  • Larger build area: 5.25 liters with a 250 cm² footprint — over 30% more than the Form 3.
  • Next-gen resin cartridges: Faster filling, 63% less waste, and 30% less storage space required.
  • Efficient resin heating: Infrared-controlled heating maintains ideal print conditions between 25–45 °C.
  • Smart sensors: 6 precision sensors ensure consistent quality, from leveling to resin management and force control.
  • Powerful software: PreForm and Dashboard with remote printing, adaptive layers, fleet control, and real-time alerts.
  • Camera-enabled monitoring: Integrated 5MP camera for remote supervision, time-lapses, and diagnostics.

Included Software

PreForm

  • Supported OS: Windows 7+ (64-bit), macOS 10.15+
  • Features:
    • One-Click Print
    • Adaptive layer thickness
    • Auto-orient, auto-repair, and support generation
    • Advanced manual support editing
    • Rotate, scale, duplicate, mirror
    • Layer-by-layer slicer
    • Custom print settings
    • Remote print capability

Dashboard

  • Cloud-based printer management
  • Monitor material and tank usage
  • Receive SMS and email alerts
  • Organize fleet and users with enterprise tools

Fleet Control

  • Manage multiple printers
  • Prioritize jobs, allocate resources efficiently
  • Perfect for production or shared lab environments

Maintenance and Lifespan

  • Resin Tank: >75,000 layers with any Formlabs resin
    • Example: ~190 prints at 100 µm layer height and 39 mm model height
  • Light Processing Unit (LPU 4):
    • 600,000 to 1.9 million layers
    • Example: ~2,800 prints with Grey Resin V5 and 100 µm layers

Additional Features

  • Open Material Mode: Use third-party resins with adjustable settings
  • Camera: Easily disabled, covered, or removed for security compliance
  • Language Support: English, French, German, Spanish, Italian, Japanese, Simplified Chinese
  • Security & Access: WPA/WPA2 encryption, USB-C access, and cloud-based account management

Ideal Applications

  • Product design & prototyping
  • Precision dental modeling (Form 4B)
  • Engineering validation and iteration
  • Educational labs & R&D
  • Jewelry casting and fine detail printing