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  3. Form 4L vs PRO HT90

Formlabs Form 4L vs Prusa PRO HT90

What Form 4L does better (2) and where PRO HT90 wins (1) — every spec side by side.

Formlabs Form 4L
Formlabs · 2024Form 4L
9.4Score
2 advantages≈ $9,200
Higher score
vs
Prusa PRO HT90
Prusa · 2024PRO HT90
9.3Score
1 advantage≈ $12,000
5.9Material versatility9.7
9.7Ease of use9.7
Dimensions

Size comparison

Form 4LPRO HT90
664 × 794528530 × 1,050530
Form 4LPRO HT90Difference
Height794 mm1,050 mm−256 mm
Width664 mm530 mm+134 mm
Depth528 mm530 mm−2 mm
Weight58.5 kg43.5 kg+15 kg

Drawn to the same scale from the official dimensions (front and side).

Why is Form 4L better than PRO HT90?

  1. Finest layer height0.025 mm vs 0.05 mm2×
  2. Screen size7″ vs 6.5″+8%

Why is PRO HT90 better than Form 4L?

  1. Weight58.5 kg vs 43.5 kg+34%
Specifications

Side by side

Formlabs Form 4LFormlabs Form 4L≈ $9,2009.4
Prusa PRO HT90Prusa PRO HT90≈ $12,0009.3
General
TechnologyMSLA (LCD resin)FDM / FFF (filament)
Motion system—CoreXY / XY-head
Delivered as—Fully assembled
All-metal frame—Yes
Klipper firmware—Yes
Build volume
Build width (X)353 mm—
Build depth (Y)196 mm—
Build height (Z)350 mm—
Build volume24.2 L—
Speed
Max print speed—600 mm/s
Max acceleration—20,000 mm/s²
Max volumetric flow—40 mm³/s
Print quality
Finest layer height0.025 mm0.05 mm
Thickest layer height0.2 mm0.3 mm
Automatic bed levelling—Yes
Extruder & hotend
Max nozzle temperature—500 °C
Direct-drive extruder—Yes
Default nozzle—0.4 mm
Toolheads—1
Nozzles—1
Filament diameter—1.75 mm
Supported materials—ABS, ASA, CPE, HIPS, PA, PC, PETG, PLA, PP, TPE, TPU
Number of supported materials—11
Engineering materials (PA, PC, CF)—Yes
Print bed
Heated bed—Yes
Max bed temperature—155 °C
Enclosure
Enclosed build chamberYesYes
Actively heated chamber—Yes
Max chamber temperature—90 °C
Air filter (carbon / HEPA)—Yes
Chamber light—Yes
Connectivity & control
ConnectivityWi-Fi, Ethernet, USBWi-Fi, Ethernet
Wi-FiYesYes
EthernetYesYes
USBYesNo
SD card—No
Bluetooth—No
Screen size7″6.5″
TouchscreenYesYes
Features
Built-in cameraYesYes
Camera resolution5 MP—
Power-loss recovery—Yes
Size & power
Width664 mm530 mm
Depth528 mm530 mm
Height794 mm1,050 mm
Weight58.5 kg43.5 kg
Rated power—1,900 W
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