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Hi everyone! This is Top 3D Shop, and in this video, we will proceed to the overview of the best professional 3D printers on the market, covering equipment based on stereolithography and selective laser sintering technologies, as well as some units designed for printing in alternative materials. Be sure to check out our previous guide on professional-grade 3D printers, where you can find not only the most noteworthy FDM-based machines, but also learn more about the professional segment of 3D printers in general, including principles for choosing such a device and some prominent application areas where it can be employed. So, in this overview, we will get straight to the best models of professional resin- and SLS 3D printers.

SLA, DLP and LCD technologies, all of them being based on vat photopolymerization process, use liquid resin cured by a light source to print a part. Resin 3D printing allows for highly detailed prints with a perfectly smooth surface finish, with certain post-processing to finish. It is a great choice for creating rather complex objects with flawless look and feel, when precision is a key point. Resin 3D printers are widely used in dental and jewelry industries, for creating molds and tooling, and also in model making.

Next are the most noteworthy units when it comes to resin 3D printing.

The Uniz Slash 2 Plus is a professional device based on LCD technology. Due to the immensely high speed and exceptional print quality with the minimum layer height of just 10 microns, the Slash 2 Plus is widely used in dentistry and jewelry production, as these are the industries where print accuracy and high level of detail, as well as speed, are of major importance. The build volume of the device is 192 x 120 x 200 mm, and its 8.9-inch 4K monochrome screen alongside the dedicated LED array provides a uniform light exposure over the entire print area, thus providing dimensional accuracy of the part.

The Phrozen Sonic Mega 8K combines a huge, for a resin printer, build volume with amazing print quality. The device is equipped with a 15-inch monochrome LCD screen with 8K resolution and features a build volume of 330 x 185 x 400 mm, which is undoubtedly one of the biggest in the market. Also, the full-metal frame and dual linear rail ensure stability, especially while printing large and heavy-weight parts. To operate the printing process, the machine is equipped with a 5-inch touchscreen. The Mega 8K model will become the best choice for a wide range of professional applications that require high quality prints and really large build volume for producing sizable models or multiple smaller parts in one go.

The Formlabs Form 3L is a large-format resin 3D printer with a build volume of 335 x 200 x 300 mm. Based on proprietary LFS technology, which stands for Low Force Stereolithography and is aimed at improving the surface finish of prints, the Form 3L features a convenient 5.5-inch full-color display; the PreForm free print preparation software automatically suggests optimal print settings that can be manually adjusted if needed. The device allows for cloud monitoring of the printing process, the connectivity options include Wi-Fi, Ethernet, and USB.

The Asiga Pro 4K45 is a DLP-based professional 3D printer used primarily in digital dentistry, audiology production, and jewelry manufacturing. Featuring a build volume of 122 x 69 x 200 mm, the Pro 4K45 can print with a wide range of materials produced by any manufacturer. The proprietary smart positioning system ensures the proper forming of every layer, providing consistent and accurate printing results.

SLS technology has been traditionally employed for industrial applications, such as aerospace, automotive, electronics, and healthcare, to name a few. SLS 3D printers are generally significantly larger and more expensive than FDM- or resin-based. They turn out to be extremely efficient in creating strong functional models with very complex geometries, as the printing process does not imply building any support structures, providing the user with almost unlimited design freedom.

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