As Small as A4 Paper! 300W Metal 3D Printing Laser-3DPTimes

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As Small as A4 Paper! 300W Metal 3D Printing Laser

September 15, 2026 News 9500

On August 26, at Formnext Asia Shenzhen, Baochenxin launched the BFSC-300-AM, a 300W air-cooled compact laser source.

It targets a long-standing pain point in desktop metal 3D printing: industrial-grade lasers are bulky, require water cooling, and have complex optical paths, so they simply cannot fit into desktop machines.

The BFSC-300-AM measures only 215 × 297 × 110 mm, and its maximum projected footprint is close to that of an A4 sheet. It saves more than 50% of internal space compared with conventional solutions. With air cooling, there is no need for an external water chiller, which lowers structural complexity, cost, and installation barriers.

The optical path is integrated as well. The collimating and focusing lenses are precisely coupled and calibrated at the factory, then delivered as one integrated unit. Equipment makers no longer need an external focusing lens; it is plug-and-play once installed, saving substantial optical alignment time.

Performance does not take a hit from miniaturization. The laser is optimized for mainstream materials such as stainless steel, aluminum alloy, titanium alloy, and mold steel. It offers beam quality M² ≤ 1.1 and short-term power stability of ±1%, enabling a uniform, controllable melt pool. Printed parts have sharp edges and smooth surfaces, supporting the production of functional parts for automotive, mold-making, and other applications with mechanical property requirements.

The air-cooled design runs quietly and consumes far less power than comparable water-cooled lasers. For R&D offices and university laboratories, a desk and a power outlet are enough to set up a metal additive manufacturing workstation.

Desktop metal 3D printing has been talked about for years; the hard part is balancing miniaturization with industrial capability. The BFSC-300-AM brings together 300W power, air cooling, A4-paper size, and a plug-and-play optical path in one package. It moves desktop machines from “can print” to “print stably and economically.” Distributed manufacturing is getting closer.