EOS FORMIGA M 100

$250,000 - $400,000 Updated 2026-03-17

Key Specifications

Weight

Approx. 450 kg

build volume

300 x 300 x 435* mm (11.8 x 11.8 x 17.1 in)

laser type

Yb-fiber laser; 4 x 1000 W

laser power

200 W

number of lasers

scan speed

up to 7.0 m/s (23.0 ft/s)

Overview

The EOS FORMIGA M 100 is EOS's ultra-compact metal LPBF system, designed for applications where small part size, fine feature resolution, and laboratory or dental clinic space constraints are the governing requirements. The name FORMIGA — Latin for ant — reflects the machine's small footprint and its ability to produce intricate, load-bearing structures at a scale that larger systems cannot match economically. With a 100 mm diameter circular build platform, the M 100 is optimized for dental restorations, jewelry, and small aerospace or medical components where precision and material efficiency matter more than volume throughput.

The machine uses a single 200 W Yb-fiber laser with a tightly focused spot diameter of approximately 40 µm — half the spot size of the standard M 290. This fine beam enables wall thicknesses below 200 µm and feature resolution that is among the best available in industrial LPBF systems. Layer thickness operates from 20 to 60 µm. The circular 100 mm build plate nests parts efficiently for high-density packing of small components, and the compact gas management system uses argon or nitrogen with a filtration unit sized for the smaller build chamber.

In the dental market, the FORMIGA M 100 processes CobaltChrome SP2 and EOS StainlessSteel 17-4PH for frameworks, copings, bridges, and partial denture frameworks. In jewelry, 18-karat gold alloys and sterling silver can be processed with custom parameters. In research and aerospace, the M 100 is used for sensor housings, precision brackets, and small fluid manifolds where the tight tolerances of the 40 µm beam are necessary. The compact machine dimensions — roughly 900 x 800 x 1,100 mm — allow the system to fit in a dental lab or university materials science department without the dedicated manufacturing floor space required by larger EOS platforms.

The FORMIGA M 100 competes with the Renishaw RenAM 500 in concept, though the Renishaw system operates at a larger scale. Its closest competitors are the 3D Systems DMP Flex 100 and similar compact LPBF systems targeting dental and jewelry production. Pricing for the FORMIGA M 100 is in the $250,000–$400,000 range, making it the most accessible metal AM system in the EOS product line.

Full Specifications

Parameter	Value
Build Volume	300 x 300 x 435* mm (11.8 x 11.8 x 17.1 in)
Laser Type	Yb-fiber laser; 4 x 1000 W
Laser Power	200 W
Number Of Lasers	1
Scan Speed	up to 7.0 m/s (23.0 ft/s)
Focus Diameter	approx. 100 µm (0.00394 in)
Layer Thickness	20 – 60 µm
Build Rate	Up to 5 cm³/h (material dependent)
Technology	Direct Metal Laser Sintering (DMLS / LPBF)
Materials	CobaltChrome SP2, StainlessSteel 17-4PH, EOS Gold Alloy GF-24k, Bronze GB-172, Titanium Ti64
Inert Gas	Argon or Nitrogen
Power Consumption Max	3.2 kW
Machine Dimensions	5221 x 2680 x 2340 mm (205.6 x 105.5 x 92.1 in)
Software	EOSPRINT 2
Machine Weight	Approx. 450 kg
Presicion Optics	4 F-theta-lens(es); 4 High-speed scanner(s)
Power Supply	3 x 63 A
Power Consumption	max. 19.6 kW / typical 16.0 kW
Compressed Air Supply	7 Bar; 15 m³/h (102 psi; 530 ft³/h)
Recommended Installation Space	min. 8800 x 5200 x 3500 mm (346.5 x 204.7 x 137.8 in)
Machine Weight	approx. 5500 kg (12125 lbs)

Specifications sourced from eos.info — verified 2026-03-28

Strengths & Limitations

Strengths

40 µm laser spot diameter provides the finest feature resolution in the EOS metal LPBF product line, enabling sub-200 µm walls
Ultra-compact footprint (900 x 800 mm) fits in dental labs, jewelry studios, and university research environments without a dedicated manufacturing floor
Circular 100 mm build plate optimized for high-density nesting of dental frameworks, copings, and small precision components
Lower entry price ($250K–$400K) makes it the most accessible EOS metal AM system for smaller operations and R&D labs
Proven dental materials library including CobaltChrome SP2 and StainlessSteel 17-4PH with EOS-qualified parameters

Limitations

100 mm diameter build volume severely limits part size — a single structural bracket that exceeds this envelope cannot be built without splitting
200 W laser limits throughput; a dental frame job that takes 2 hours on a FORMIGA M 100 might take under 1 hour on a higher-powered system
Circular build platform reduces usable area compared to square-plate competitors of similar overall diameter

Best For

Dental laboratories and prosthetics manufacturers printing cobalt chrome and stainless steel crowns, bridges, copings, and partial frameworks Jewelry designers and manufacturers printing gold alloys, bronze, and silver for custom and production pieces University materials science and AM research labs needing industrial LPBF capability in a compact, cost-accessible system Aerospace and medical device R&D teams prototyping small precision components in titanium and stainless steel with fine feature requirements

Frequently Asked Questions

01 What is the EOS FORMIGA M 100 used for?

The FORMIGA M 100 is primarily used in dental manufacturing (frameworks, copings, bridges), jewelry production (gold and silver alloys), and small-part aerospace or medical R&D. Its 40 µm laser focus diameter makes it suitable for fine-feature work that larger LPBF systems cannot resolve accurately. It is the most compact and affordable metal LPBF system in the EOS product line.

02 What is the build volume of the EOS FORMIGA M 100?

The FORMIGA M 100 uses a circular build platform with a 100 mm diameter and 95 mm build height. This is significantly smaller than the M 290 (250 x 250 x 325 mm) and is specifically designed for small, high-precision parts rather than structural components. For dental frameworks and jewelry, this volume is typically sufficient.

03 Can the FORMIGA M 100 print gold and precious metals?

Yes. EOS has developed parameter sets for the FORMIGA M 100 for precious metal alloys including gold and bronze. EOS Gold Alloy GF-24k and Bronze GB-172 are supported materials. The 40 µm fine beam and low-layer-thickness capability make the system well-suited to the intricate lattice structures and fine surface detail required in fine jewelry production.

04 How does the FORMIGA M 100 compare to the EOS M 100 (standard)?

The FORMIGA M 100 and EOS M 100 are closely related platforms. The FORMIGA designation historically indicated the compact form factor and dental/jewelry market positioning, while both share the 100 mm build diameter and 200 W laser. EOS has at various times marketed these as overlapping or identical systems depending on the sales region and configuration. Buyers should confirm the exact spec sheet with EOS for current model nomenclature.

05 What facility requirements does the FORMIGA M 100 need?

The FORMIGA M 100 requires standard single-phase or three-phase power (3.2 kW max), a supply of argon or nitrogen gas, and a clean, temperature-controlled environment. The compact machine dimensions (900 x 800 mm footprint, approximately 450 kg) mean it can be installed in a standard laboratory or dental production room. EOS provides site planning documentation as part of the installation process.