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  3. Form 4L vs Slash Pro UDP

Formlabs Form 4L vs Uniz Slash Pro UDP

What Form 4L does better (3) and where Slash Pro UDP wins (3) — every spec side by side.

Formlabs Form 4L
Formlabs · 2024Form 4L
9.4Score
3 advantages≈ $9,200
vs
Uniz Slash Pro UDP
Uniz · 2020Slash Pro UDP
9.6Score
3 advantages≈ $5,500
Higher score
8.7Build volume7.8
9.7Ease of use6.6
Dimensions

Size comparison

Form 4LSlash Pro UDP
664 × 794528350 × 730400
Form 4LSlash Pro UDPDifference
Height794 mm730 mm+64 mm
Width664 mm350 mm+314 mm
Depth528 mm400 mm+128 mm
Weight58.5 kg18 kg+40.5 kg

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

Why is Form 4L better than Slash Pro UDP?

  1. Build volume24.2 L vs 9.2 L2.6×
  2. Build width (X)353 mm vs 192 mm+84%
  3. Build depth (Y)196 mm vs 120 mm+63%

Why is Slash Pro UDP better than Form 4L?

  1. Finest layer height0.025 mm vs 0.01 mm2.5×
  2. Weight58.5 kg vs 18 kg3.2×
  3. Build height (Z)350 mm vs 400 mm+14%
Specifications

Side by side

Formlabs Form 4LFormlabs Form 4L≈ $9,2009.4
Uniz Slash Pro UDPUniz Slash Pro UDP≈ $5,5009.6
General
TechnologyMSLA (LCD resin)MSLA (LCD resin)
Build volume
Build width (X)353 mm192 mm
Build depth (Y)196 mm120 mm
Build height (Z)350 mm400 mm
Build volume24.2 L9.2 L
Speed
Resin print speed—600 mm/h
Print quality
Finest layer height0.025 mm0.01 mm
Thickest layer height0.2 mm—
Automatic bed levelling—Yes
Enclosure
Enclosed build chamberYes—
Connectivity & control
ConnectivityWi-Fi, Ethernet, USBWi-Fi, Ethernet, USB
Wi-FiYesYes
EthernetYesYes
USBYesYes
Screen size7″—
TouchscreenYes—
Features
Built-in cameraYes—
Camera resolution5 MP—
Size & power
Width664 mm350 mm
Depth528 mm400 mm
Height794 mm730 mm
Weight58.5 kg18 kg
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