Josef Prusa, who was recently awarded the Czech Medal of Merit for contributions to the nation’s economy, announced his company’s newest 3D printer, the CORE One L, at an exclusive media event in Prague. The new Core XY printer is a departure from his original i3 model and boasts a 300 x 300 x 330 mm³ build volume. Prusa said he wanted a larger format printer that could still fit on your desk and be fairly easy to move. The new design is only 10% larger on the outside and uses aluminum parts to keep the weight similar to the first CORE One.
Prusa invited reporters and content creators from around the globe to take a look inside his new machine, literally. The event was held at the Prague Planetarium, located down the street from his company headquarters. Prusa’s team put together an eye-popping 3D presentation to make use of a 360° digital screen (normally used for star gazing shows), which placed the audience “inside” the CORE One L as it was printing.
Prusa hammered home his company’s dedication to security, noting that the CORE One L, like all his machines, never needs to connect to the internet to operate and features a removable Wi-Fi module. All the electronics are built in-house by Prusa Research on its own PCB line in Prague, with most of the printer’s components produced within the European Union. Final assembly takes place either in Prague, Czechia, or at the Printed Solid factory in Delaware, USA.
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The CORE One L has several interesting new features, including an AC-powered heated bed made from a solid block of cast aluminum with embedded industrial magnets to hold the build plate firmly in place. Fans mounted beneath the bed provide rapid convection heating, capable of raising the chamber temperature to 60 °C for printing engineering-grade materials. A clever G-code routine lets the printer open and close its vents automatically using a prong on the toolhead, while a handy internal switch makes feeding TPU effortless.