3D Systems DMP Flex 350 Dual

$600,000 – $900,000 Updated 2026-03-17

Key Specifications

Repeatability

Δx (3σ) = 60 μm, Δy (3σ) = 60 μm, Δz (3σ) = 60 μm

build volume

275 x 275 x 420 mm (10.8 x 10.8 x 16.5 in)

laser count

laser power

2 x 500 W fiber lasers

layer thickness

10 - 100 um (0.0004 - 0.004 in)

supported materials

Ti-6Al-4V ELI, Inconel 718, CoCr, 316L SS, 17-4PH SS, AlSi10Mg, maraging steel

Overview

The 3D Systems DMP Flex 350 Dual is a twin-laser variant of the DMP Flex 350 platform, adding a second 500W fiber laser to the proven 275 x 275 x 420 mm build envelope. The dual-laser configuration significantly increases effective build speed without changing the core platform architecture — both lasers scan simultaneously across the build area, each covering designated zones or collaborating on large cross-sections for faster completion. For production environments where throughput on the Flex 350's build volume is a bottleneck, the Dual addresses that constraint while preserving the single-laser system's process maturity and material qualifications.

The DMP Flex 350 Dual retains all defining features of the Flex 350 platform: vacuum-capable build chamber achieving less than 25 ppm oxygen for reactive metal processing, the removable print module (RPM) for offline unpacking and machine utilization improvement, and the full 3DXpert software ecosystem. The Dual's laser arrangement is designed for optimal coverage — 3D Systems' beam management ensures minimal overlap inefficiency and consistent energy delivery across the entire build area with either single or dual-laser scanning strategies.

For aerospace and medical customers already qualified on the DMP Flex 350, the Dual provides a direct path to higher throughput without re-qualification. Parts printed on the single-laser system can transition to the Dual with parameter adjustments that preserve the material properties, density, and microstructure already certified to specification. This is a significant advantage over moving to a different manufacturer's platform, which would require full re-qualification of each material-part combination from scratch.

Pricing for the DMP Flex 350 Dual reflects the additional laser hardware and control systems — expect a 20-40% premium over the single-laser Flex 350. The machine targets mid-to-high production environments in aerospace, medical devices, and defense, where the validated DMP material ecosystem is a prerequisite and throughput demands cannot be met by a single-laser configuration. For organizations already invested in the 3D Systems DMP ecosystem, the Flex 350 Dual is the logical productivity upgrade.

Full Specifications

Parameter	Value
Build Volume	275 x 275 x 420 mm (10.8 x 10.8 x 16.5 in)
Laser Count	2
Laser Power	2 x 500 W fiber lasers
Layer Thickness	10 - 100 um (0.0004 - 0.004 in)
Supported Materials	Ti-6Al-4V ELI, Inconel 718, CoCr, 316L SS, 17-4PH SS, AlSi10Mg, maraging steel
Recoater Type	Roller-based precision recoater
Atmosphere	Vacuum chamber, <25 ppm O2
Removable Print Module	Yes (RPM)
Software	3DXpert (build prep), DMP Monitoring (in-process QA)
Min Feature Size	Approx. 150 um (0.006 in)
Machine Dimensions	2370 x 2400 x 2869 mm (DMP Flex 350 in printing condition)2370 x 2400 x 3470 mm (DMP Factory 350 in printing condition)
Machine Weight	4200 kg
Power Requirements	3-phase, 400V, 63A
Laser Type	1 or 2 or 3 x 500 W / Fiber laser
Laser Wavelength	1070 nm
Layer Thickness Range Preset	Adjustable, min. 5 μm, typical: 30, 60, 90 μm
Build Envelope	275 x 275 x 420 mm (height inclusive of build plate) – DMP 350 Single / Dual / Triple laser350 x 350 x 350 mm - DMP 350 Triple laser
Material Deposition	Soft blade recoater
Minimum Feature Size	200 μm
Minimum Wall Thickness	150 μm
Accuracy	± 0.1-0.2% with ± 100 μm minimum
Repeatability	Δx (3σ) = 60 μm, Δy (3σ) = 60 μm, Δz (3σ) = 60 μm

Specifications sourced from gfms.com — verified 2026-03-28

Strengths & Limitations

Strengths

Dual 500W lasers increase effective build throughput without changing the proven build volume, material qualifications, or RPM workflow
Existing DMP Flex 350 qualifications transfer to the Dual with parameter adjustments — no full re-qualification from scratch
Vacuum chamber less than 25 ppm O2 for reactive metals is preserved from the single-laser platform
RPM (removable print module) enables offline unpacking with a second build already running, maximizing machine utilization
Full 3DXpert software ecosystem including DMP Monitoring for quality documentation carries over unchanged
Mature LaserForm material library with a decade of aerospace and medical validation behind each alloy

Limitations

Dual-laser premium adds 20-40% to acquisition cost vs. single-laser Flex 350 — ROI requires consistent production throughput to justify
275 x 275 mm build area remains unchanged — throughput improvement is per-build, not per-layer coverage area
Two lasers increase service complexity and uptime risk — a laser failure sidelines the additional throughput advantage
Proprietary LaserForm material ecosystem continues to limit third-party powder options
Dual-laser configuration requires more sophisticated beam management calibration to avoid overlap artifacts at laser boundaries

Best For

Aerospace and medical manufacturers already qualified on the DMP Flex 350 who need higher throughput without a full platform migration Production environments where single-laser Flex 350 cycle times are a bottleneck and capital justifies the dual-laser premium Organizations printing Ti-6Al-4V ELI and CoCr components at volume where atmosphere purity and material traceability are regulatory requirements Contract manufacturers providing qualified DMP parts who need to scale production capacity within the existing ecosystem Defense and space programs requiring validated material properties and complete build documentation for flight-critical components

Frequently Asked Questions

01 What does a 3D Systems DMP Flex 350 Dual cost?

The DMP Flex 350 Dual typically prices between $600,000 and $900,000 depending on material packages, monitoring options, and service agreements. This represents a 20-40% premium over the single-laser Flex 350, reflecting the additional laser hardware, beam management systems, and enhanced control architecture.

02 How much faster is the Dual compared to the single-laser Flex 350?

Build time improvement depends on part geometry and scanning strategy. For large, solid cross-sections where both lasers can scan simultaneously without overlap, build times can approach 50% reduction. For small features or complex geometries that limit simultaneous scanning, the improvement may be 20-35%. Average throughput improvement in production use is typically 30-45% depending on the part mix.

03 Do existing Flex 350 material qualifications apply to the Dual?

Parts qualified on the single-laser Flex 350 can be transitioned to the Dual with parameter adjustments rather than full re-qualification. 3D Systems provides dual-laser process parameters for all qualified LaserForm materials. Customers in regulated industries (aerospace, medical) should confirm with their qualification authority whether existing approvals cover the dual-laser process or require supplemental testing.

04 How does laser management work with two beams in the same build?

3DXpert automatically assigns laser zones and scanning strategies for dual-laser builds. The system can operate lasers in parallel on separate sections of the build area (zonal) or collaborate on large contiguous sections with complementary scan paths. 3D Systems' beam management algorithms prevent overlap artifacts at laser boundaries through calibrated handoff strategies.

05 Is the RPM (removable print module) the same as on the single-laser Flex 350?

Yes. The RPM on the Dual is functionally identical to the single-laser Flex 350's RPM. After a build completes, the entire build module is removed and a fresh RPM is loaded to start the next build while the completed build is unpacked offline. This workflow is unchanged by the dual-laser configuration.