3D Systems DMP Flex 350
Key Specifications
Repeatability
laser power type
laser wavelength
build volume
layer thickness
material deposition
How much does the 3D Systems DMP Flex 350 cost?
Estimated price range
Our best estimate for a metal additive manufacturing in this class — not a quote from 3D Systems. Configuration moves it a long way.
Overview
The 3D Systems DMP Flex 350 is a single-laser metal 3D printer: one 500W fiber laser at 1070 nm over a 275 x 275 x 420 mm build volume, height inclusive of the build plate.
Layer thickness is the main lever an operator has on build time here. It is adjustable down to a 5 μm minimum, and 3D Systems gives 30, 60 and 90 μm as typical values. With one laser doing all the scanning, going from 30 to 90 μm layers cuts the layer count to a third, in exchange for coarser steps on sloped surfaces. That choice carries weight on a machine with 420 mm of height, where a tall build at fine layers runs to a very large number of passes.
The accuracy rows say what to expect from the result. Typical accuracy is ± 0.1-0.2% with a ± 100 μm minimum, so small features are held to the ± 100 μm floor and long dimensions to the percentage. Minimum feature size is 200 μm, which puts thinner walls and lattice struts out of reach. Repeatability is listed as Δx, Δy and Δz (3σ) = 60um.
Powder is spread by a soft blade recoater, and the build platform is heated, with 250°C listed.
Full Specifications
| Parameter | Value |
|---|---|
| Laser Power Type | 500W/Fiber laser |
| Laser Wavelength | 1070 nm |
| Build Volume | 275 x 275 x 420 mm, height inclusive of build plate |
| Layer Thickness | Adjustable, minimum 5 μm, typical values: 30, 60, 90 μm |
| Material Deposition | Soft blade recoater |
| Repeatability | Δx (3σ) = 60um, Δy (3σ) = 60um, Δz (3σ) = 60um |
| Minimum Feature Size | 200 μm |
| Typical Accuracy | ± 0.1-0.2% with ± 100 μm minimum |
| Build Platform Heating | 250°C |
Specifications sourced from 3dsystems.com — verified 2026-10-03
Strengths & Limitations
Strengths
- 500W fiber laser at 1070 nm
- Layer thickness adjustable from a 5 μm minimum, so each job can trade speed against surface steps
- 275 x 275 x 420 mm build volume, against 140 x 140 x 100 mm (5.51 x 5.51 x 3.94 in) on the DMP Flex 200
- Build platform heating of 250°C and a soft blade recoater
Limitations
- One laser scans every layer, so a full plate or a bulky cross-section takes correspondingly long
- Minimum feature size is 200 μm
- Typical accuracy has a ± 100 μm minimum however small the feature
- Build volume stops at 275 x 275 x 420 mm; the DMP Factory 500 offers 500 x 500 x 500 mm (19.7 x 19.7 x 19.7 in)
Best For
Frequently Asked Questions
01
One. 3D Systems lists the laser as a 500W fiber laser with a wavelength of 1070 nm. All scanning in the 275 x 275 x 420 mm build volume is done by that one beam, so build time depends directly on how much area each layer exposes.
02
Layer thickness is adjustable with a 5 μm minimum. The typical values 3D Systems gives are 30, 60 and 90 μm. A build at 90 μm needs a third of the layers of the same build at 30 μm, at the expense of a rougher stair-step on angled faces.
03
Yes. Build platform heating is listed at 250°C. Powder is applied with a soft blade recoater. The 420 mm build height is quoted inclusive of the build plate, so the usable part height is a little less than that.
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