Made to order
- US installation commissioning and operator training included
- Validated parameters a parameter set for your first production alloy
Farsoon FS121M LPBF Metal 3D Printer – Compact Frame for Dental and R&D | 4.7×4.7×3.9 in / 120×120×100 mm
The Farsoon FS121M is a metal LPBF 3D printer with a 4.7×4.7×3.9 in / 120×120×100 mm build envelope, running a single 300 W or 500 W fiber laser with a dynamic focusing system.
- ✓ 4.7×4.7×3.9 in — build cylinder
- ✓ 4.7×4.7×3.9 in / 120×120×100 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.
What your process engineer actually checks
Fine detail, not raw volume
A dynamic focusing system with selectable spot sizes and recoater blades. On a crown margin or a thin lattice the spot size is the spec that decides the part, and on the FS121M you can choose it.
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 standard.
The Farsoon FS121M is a small-frame metal LPBF system built around fine detail rather than volume. Selectable spot sizes and recoater blades, a 4.7×4.7×3.9 in / 120×120×100 mm build cylinder and a single-phase 220 V supply let it sit in a lab or a dental workshop without a plant room.
Why engineers choose the FS121M
Four things your process engineer will check first.
Fine spot, selectable optics
A fully digital scanning system with a dynamic focus and a choice of spot sizes. That is what resolves a crown margin or a thin-walled lattice, where a production frame would simply be the wrong tool.
Runs on a single-phase 220 V supply
14 A on one phase, 1543 lb / 700 kg, a 30.7×39.4 in floor plan. The FS121M needs far less ancillary equipment than a production LPBF cell, which is usually what decides whether it fits your building at all.
Truly open platform
Machine parameters and powder choice are unlocked. For a research group that is the whole point: you can run an unqualified alloy and develop the parameter set yourself.
Ten qualified alloys, including copper
316L, 17-4PH, Ti6Al4V, AlSi10Mg, Maraging 300, HX, pure copper, CuSn10, CoCrMoW and CoCrMo. Copper and cobalt-chrome on a small frame is an unusual combination.
How we deliver and support it
What happens between the purchase order and your first qualified part.
Scope the cell
We size the configuration against your part mix, then plan power, argon or nitrogen supply and extraction with your facilities team. Machine envelope is 30.7×39.4×66.9 in / 780×1000×1700 mm; EUR/China: 220V±10%, 1~/N/PE, 50Hz, 14A. 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 standard.
What the FS121M is built for
Compact Metal LPBF for Dental, Research and Fine Detail. The FS121M runs a single 300 W or 500 W fiber laser with a dynamic focusing system over a 4.7×4.7×3.9 in / 120×120×100 mm build envelope. Full specifications are in the Specifications tab below.
Qualified materials
Farsoon lists 316L, 17-4PH, Ti6Al4V, AlSi10Mg, Maraging Steel Grade 300, HX, pure copper, CuSn10, CoCrMoW and CoCrMo for the FS121M. 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. The alloys we stock are lot-certified and held in the USA.
Typical applications
Where FS121M systems are actually running.
A production case, in numbers
| Dental crowns, CoCrMoW | Figure |
|---|---|
| Machine | FS121M |
| Material | CoCrMoW |
| Build cylinder | 4.7×4.7×3.9 in / 120×120×100 mm |
| Why this frame | Fine spot size and a dynamic focus resolve the crown margin |
Case as published by Farsoon for the FS121M.
Not sure the FS121M is the right frame size?
Three Farsoon LPBF platforms either side of it.
Step up to seriesFarsoon FS200M-2View printer →
Bigger partsFarsoon FS273MView printer →
Why source the FS121M through Additive Plus
- 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) | 30.7×39.4×66.9 in / 780×1000×1700 mm |
| Build Volume | 120×120×100 mm (4.7×4.7×3.9 in) |
| Net Weight | Approx. 1543 lb / 700 kg |
| Layer thickness | 0.0008–0.0031 in / 0.02–0.08 mm |
| Scanning Speed | Max. 49.9 ft/s / 15.2 m/s |
| Laser Type | Fiber laser, 1×300W, Fiber Laser, 1×500W |
| Scanner | Dynamic focusing system |
| Inert Gas Protection | Argon/Nitrogen |
| Average Inert Gas Consumption in Process | 3-5 L / min |
| 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: 220V±10%, 1~/N/PE, 50Hz, 14A · US: transformer supplied with the machine |
| Operating Ambient Temperature | 71.6-82.4 °F / 22-28 °C |
| Material | 17-4PH, 316L, AlSi10Mg, CoCrMoW, Cu, CuSn10, HX, Ti-6Al-4V, 18Ni300, CoCrMo |
| Technology | Metal LPBF |
| Printing Materials | Metal Powders |
Send your STL and we print a paid benchmark part on a Farsoon metal LPBF system in California, with the parameter set and the cost per part written up.
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Don't see yours? Email [email protected] — NDA standard, typical reply within 4 hours.
Which alloys are qualified for the Farsoon FS121M?
Can the FS121M run in a dental lab or a university without special infrastructure?
Is the FS121M an open system, or are we locked to vendor parameters?
What part size does the FS121M handle, and what fits in one build?
What does installation and training in the USA involve for the FS121M?
How does the FS121M compare with the other Farsoon metal platforms?
Can we test the FS121M before committing to a purchase?
Place your order, or talk to an engineer first
Order Farsoon FS121M LPBF Metal 3D Printer – Compact Frame for Dental and R&D | 4.7×4.7×3.9 in / 120×120×100 mm direct, or talk to materials engineer