Made to order
- US installation commissioning and operator training included
- Validated parameters a parameter set for your first production alloy
Farsoon FS350M LPBF Metal 3D Printer – 4×500 W, 4×1000 W or 6×500 W Lasers | 17.1×14.1×15.7 in / 433×358×400 mm
The Farsoon FS350M is a multi-laser LPBF metal 3D printer for medium- to high-volume series production, supplied in 4×500 W, 4×1000 W or 6×500 W laser configurations on the same 17.1×14.1×15.7 in / 433×358×400 mm build cylinder.
- ✓ Three laser configurations — we supply and support all three
- ✓ 17.1×14.1×15.7 in / 433×358×400 mm build on a 65 sq ft / 6 m² class footprint
- ✓ Open platform — full access to process parameters, qualify your own alloy
- ✓ Lead time: built to order — confirmed at quote
Installation and commissioning in the USA: facility and gas planning, start-up and operator training by our US service team.
What your process engineer actually checks
Multi-laser throughput you can verify
Four 500 W, four 1000 W with Beam Shaping, or six 500 W lasers over the same build cylinder. Scanning at up to 32.8 ft/s / 10 m/s, recoating at 400 mm/s, roughly 8 seconds per layer. We hand you the parameter set behind any figure we quote, not just the figure.
An applications engineer on the line
Not a ticket queue — engineers who run LPBF in production in-house at AO Metal. Alloy qualification, parameter development, troubleshooting. Sub-4h reply, NDA on request.
The Farsoon FS350M is a multi-laser LPBF platform for medium- to high-volume metal series production, available in three laser configurations — 4×500 W (FS350M-4), 4×1000 W with Beam Shaping and 6×500 W. All three share the same 17.1×14.1×15.7 in / 433×358×400 mm build cylinder and the same 65 sq ft / 6 m² class footprint, in 316L, AlSi10Mg, Ti6Al4V, 17-4PH, ST1 and Maraging Steel Grade 300.



Why engineers choose the FS350M
Four things your process engineer will check first.
Laser power matched to your part mix
Four 500 W, four 1000 W with Beam Shaping, or six 500 W lasers — same build cylinder either way. Scanning runs at up to 32.8 ft/s / 10 m/s, with recoating at 400 mm/s and roughly 8 seconds per layer.
Truly open platform
Key machine parameters are open. BuildStar and MakeStar allow real-time build parameter modification, so you can qualify an in-house alloy or tune a recipe instead of waiting for a vendor release.
Closed-loop powder management
Sealed supply tank, front glove boxes for breakout, and one shared container for loading, unloading and sieving. Powder stays under argon or nitrogen from delivery through recycling.
Three-stage filtration with back-flush
An integrated three-stage filter module rated for reactive materials. Back-flush extends filter life and cuts the cost of filter changes. Full chamber purge takes 11 minutes; inert gas draw in process is 3–5 L/min.
Three configurations on one platform
Farsoon builds the FS350M in three laser configurations. The build cylinder, the footprint and the powder handling do not change between them — what changes is how much laser you put over the same plate. We supply all three.
| Configuration | Lasers | What it is for |
|---|---|---|
| FS350M-4 | 4 × 500 W | The established baseline, with over 100 systems installed in the consumer products sector alone. The default choice for mixed series production. |
| FS350M 4×1000 W | 4 × 1000 W + Beam Shaping | Double the laser power plus Beam Shaping, which widens the melt pool. Farsoon states up to twice the build efficiency of the 4×500 W configuration, and better support for specialty alloys. |
| FS350M 6×500 W | 6 × 500 W | Developed with industry partners for industrial-scale throughput on serial runs of small to medium parts, where nesting keeps every laser busy. |
Build cylinder 17.1×14.1×15.7 in / 433×358×400 mm and the 6 m² class footprint are the same on all three. Productivity claims are Farsoon's; which configuration pays back on your part mix is the conversation to have before the order.
How we deliver and support it
What happens between the purchase order and your first qualified part.
Pick the configuration, scope the cell
We size the laser count against your part mix and annual volume, then plan power, argon or nitrogen supply and extraction with your facilities team. Footprint is 65 sq ft / 6 m² class with filtration integrated; the US transformer ships with the machine.
Install and train in the USA
Commissioning and operator training by our US service team. First builds are run together, so your operators hand over parts rather than a checklist.
Parameters, spares, engineer
Validated parameter sets for your alloy, US-held spares, and an applications engineer who has run LPBF in production in-house at AO Metal. Sub-4h reply, NDA on request.
What the FS350M is built for
The FS350M-4 ran in serial production at customer sites for close to two years before Farsoon released it to the global market. The platform sits in the range where a part has stopped being a prototype: molds and tooling, automotive and aerospace hardware, and consumer parts produced in repeating batches. Process parameter development — variable layer thickness, adaptive scanning for infill versus detail — is what raises throughput without giving up part quality. Full specifications are in the Specifications tab below.
Build chamber and powder handling

- 1 — Powder supply tank. Connects to the powder delivery unit for fully sealed material delivery under an inert atmosphere, without disturbing the build in progress.
- 2 — Glove box. Sealed glove boxes at the front of the machine allow safe breakout once the build is complete.
- 3 — Integrated filtration system. Three-stage recirculating filter module rated for reactive materials, with a back-flush function that extends filter life.
- 4 — Shared metal container. One container for loading, unloading and sieving, which simplifies powder handling and transport between stations.
- 5 — Sieving unit. A vibration screen filters oversize particles out of recycled powder; refreshed powder goes straight back into supply.
- 6 — Powder delivery unit. A top-feed system tracks powder level in the container and signals a refill; the refill unit docks and tops up material without disturbing the build.
Qualified materials
Farsoon lists 316L, AlSi10Mg, Ti6Al4V, 17-4PH, ST1 and Maraging Steel Grade 300 for the FS350M, with further grades in process development. Because the platform is open, a grade outside that list is a parameter development project rather than a dead end, and one we can run with you. We stock 316L, AlSi10Mg and Ti-6Al-4V in the USA, lot-certified.
Typical applications
Where FS350M systems are actually running.
A production case, in numbers

| Shoe mold, 316L, on the FS350M-4 | Figure |
|---|---|
| Part size (each) | 11.4×5.5×1.2 in / 290×140×31 mm |
| Layer thickness | 0.0012 in / 0.03 mm (30 µm) |
| Build time | 24 hours for one pair |
| Coverage | One pair per build covers over 95% of shoe sizes |
Figures as published by Farsoon for this application on the 4×500 W configuration. Build time on your part depends on geometry, nesting and parameter set.
Watch the Farsoon FS350M system showcase →
Not sure the FS350M is the right frame size?
Three Farsoon LPBF platforms either side of it.
Bigger envelopeFarsoon FS422M CAMSMedium-large LPBF frame for when 17.1×14.1×15.7 in stops fitting the part.View printer →
Large formatFarsoon FS812M-U31.9×31.9×66.9 in / 810×810×1700 mm build on a compact footprint.View printer →
Why source the FS350M through Additive Plus
- All three laser configurations supplied and supported — we help you pick, not just quote.
- US sales, installation, commissioning and operator training by our own service team.
- Applications engineering from a team that runs LPBF in production in-house at AO Metal — parameter development, not a ticket queue.
- Lot-certified metal powders stocked in the USA for the alloys this machine runs.
- Leasing and financing available on capital equipment.
- Print a paid benchmark part in California before you commit to a system.
- Response under 24 hours · 200+ AM systems delivered across 23 countries.
| Brand | Farsoon Technologies |
| External Dimensions (L×W×H) | 128.3×72.8×90.6 in / 3260×1850×2300 mm |
| Build Volume | 433×358×400 mm (17.1×14.1×15.7 in) (Height incl. build plate) |
| Net Weight | Approx. 7275 lb / 3300 kg |
| Layer thickness | 0.02~0.1 mm (0.0008-0.0039 in) |
| Scanning Speed | Max. 32.8 ft/s / 10 m/s |
| Recoating Speed | 400 mm/s — approx. 8 s per layer |
| Laser Type | Quad Lasers, 4×1000W with Beam Shaping, Quad Lasers, 4×500W, Six Lasers, 6×500W |
| Scanner | F theta lenses |
| Inert Gas Protection | Argon/Nitrogen |
| Average Inert Gas Consumption in Process | 3-5 L / min |
| Chamber Purge Time | 11 minutes (full chamber) |
| Operating system | 64 bit Windows 10 |
| Software | BuildStar, MakeStar® |
| Data File Format | STL |
| Key Software Features | Open machine key parameters, real-time build parameter modification, three-dimensional visualization, diagnostic functions |
| Power Supply | EUR/China: 400V±10%, 3~/N/PE, 50Hz, 42A · US: transformer supplied with the machine |
| Operating Ambient Temperature | 71.6-82.4 °F / 22-28 °C |
| Material | 17-4PH, 316L, AlSi10Mg, ST1, Ti-6Al-4V, 18Ni300 |
| Technology | Metal LPBF |
| Printing Materials | Metal Powders |
Product videos
Send your STL and we print a paid benchmark part on an FS350M-class system in California, with the parameter set and the cost per part written up.
Other products teams run alongside Farsoon FS350M LPBF Metal 3D Printer – 4×500 W, 4×1000 W or 6×500 W Lasers | 17.1×14.1×15.7 in / 433×358×400 mm
Made to order
· 8–14 weeks
Large-format industrial SLA. Marble frame. Vacuum recoating. Built for extended single-piece parts — long automotive patterns, full-scale trim, large tooling — without stitching or Z-seam artifacts.
- ✓ 57×32×24 in / 1450×800×600 mm build chamber — a long automotive pattern in one run
- ✓ Solid-state 355 nm Nd:YVO4 laser · 0.075–0.8 mm variable beam · 15.0 m/s max scan
- ✓ Full-marble machine frame — thermal stability for ±0.1 mm part accuracy
- ✓ Lead time: 8–10 weeks — on-site install, calibration & operator training included
Made to order
· Ships in 8–10 weeks from order placement. Need it sooner? Talk to a specialist.
The Farsoon FS200M-2 is a metal LPBF 3D printer with a 16.7×9.1×11.8 in / 425×230×300 mm build envelope, running two 500 W fiber lasers.
- ✓ 2×500 W — dual fiber lasers
- ✓ 16.7×9.1×11.8 in / 425×230×300 mm build envelope
- ✓ Open platform — full access to process parameters, qualify your own alloy
- ✓ Lead time: built to order — confirmed at quote
Installation and commissioning in the USA: facility and gas planning, start-up and operator training by our US service team.
Made to order
· Built to order
Flagship hybrid additive + subtractive pellet 3D printer — 138×94×39 in / 3500×2400×1000 mm bed with integrated 5-axis CNC milling, raw polymer granules, 3–16 mm nozzles, up to 30 kg/h. Optional 450°C nozzle. Material cost 5–10× lower than filament.
- ✓ Print + 5-axis finish-machine in one setup — no crane move to a separate mill
- ✓ 138×94×39 in / 3.5×2.4×1.0 m bed — the largest one-piece molds Kings builds
- ✓ Lead time: 8–10 weeks — configured to order, installed and trained on-site
Looking for a smaller machine? Kings FGF800 from $34,200 · or have us print the part on our FGF line.
Made to order
· Ships in 8–10 weeks from order placement. Need it sooner? Talk to a specialist.
- ✔ 2.5×1.5×1.0 m build box — the largest in the line, full molds and cores in one piece
- ✔ Plus: 312–519 L/h at ~13 s/layer · High-Speed: 213–355 L/h — CAD to sand mold in a day
- ✔ Nitrogen-free furan or inorganic binder; onboard AC, sand recovery & mixer
- ✔ Lead time: configured to order — request a quote for delivery & installation
Made to order
· Lead time: configured to order — request a quote for delivery and installation.
The Farsoon FS191M is a metal LPBF 3D printer with a ø7.5×7.8 in / ø191×199 mm build envelope, running a single 500 W fiber laser.
- ✓ ø7.5×7.8 in — build cylinder
- ✓ ø7.5×7.8 in / ø191×199 mm build envelope
- ✓ Open platform — full access to process parameters, qualify your own alloy
- ✓ Lead time: built to order — confirmed at quote
Installation and commissioning in the USA: facility and gas planning, start-up and operator training by our US service team.
Made to order
· Built to order
Production-scale multi-material ceramic SLA system: alongside the base ceramic it deposits up to three additional materials in one part, via dispensers from needle valve to micro-distribution, all in CPS 2.0. On an 11.8×11.8×3.9 in / 300×300×100 mm platform with a fine 35 µm UV laser. Full print → debind → co-sinter workflow supported by Additive Plus.
- Up to 4 materials in one part — base ceramic + 3 dispensed materials.
- Fine 35 µm UV laser — 355 nm, detail across the 300×300 mm platform.
- Lead time: configured to order — material-set & co-sinter support from California.
Made to order
· Lead time: configured to order — request a build slot. Installation, training and process support included from California.
- MJP wax jetting — red model wax plus soluble white support, straight to burnout
- 9.25 × 5.43 × 3.94 in / 235 × 138 × 100 mm build area · up to 3 kg wax per month
- Lead time: configured to order — install, training and a tailored service plan included
Made to order
· Lead time: 4–6 weeks — configured to orderWhat our customers say
“Harry and team were professional, effective communicators as we set up the order, then they executed quickly and produced an amazing product for us at a very competitive price. Am looking forward to our next print w Additive Plus!”
“Great 3D printing service and the resin parts look super smooth and clean. Really happy with how everything turned out!”
“Harry was very professional and helped me out with my 3D printing needs and explained what options I have in terms of filaments such as PEEK. Highly recommended.”
“I needed a 3D enclosure printed urgently in a specific time period, they did great!”
Common questions
Don't see yours? Email [email protected] — NDA on request, typical reply within 4 hours.
Which alloys are qualified for the Farsoon FS350M?
Which laser configuration should we buy?
Is the FS350M open, or locked to vendor parameters?
What does installation in the USA involve?
How is powder handled between builds, and is it safe for Ti6Al4V?
What build rate can we expect in practice?
Can we test the machine before committing?
Place your order, or talk to an engineer first
Order Farsoon FS350M LPBF Metal 3D Printer – 4×500 W, 4×1000 W or 6×500 W Lasers | 17.1×14.1×15.7 in / 433×358×400 mm direct, or talk to materials engineer
Get a quote — response in under 24h
Tell us about your part. A real applications engineer reviews every quote — no contact-form roulette. NDA on request, free DfAM review for first-time customers.
Talk to an applications engineer
30 minutes with the team that designs AO Metal and runs our print services. We'll review your spec, recommend a process, and send a tailored proposal — installation, training, service included.
Book a demo with the team that built it
See the equipment running on a real part — in our L.A. shop or remotely. The engineer on the call is the one who'll support the machine after it ships.
Free DfAM review on your first order.
Real engineering review by an applications engineer — not an automated check. Claim it once per company.
- Engineer-reviewed quote within 24 hours
- Free DfAM & material recommendation
- NDA on request before file review
Claim your offer
Takes 30 seconds. We'll reply within 24h with your claim code and a quote-ready link.