Josef Prusa

@josefprusa.bsky.social

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Best STEAM education tool I know! 🎄 MK4S kit - the build itself is the first lesson. Mechanics, electronics, problem-solving. Then it prints basically anything for years. Free worldwide shipping, tariffs prepaid at checkout ⤵️

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I was asked to share my views on 3D printing as strategic industry for @LBC. Today, 3D printers are no longer just hobby tools - they build prototypes, medical devices, drones... The key question is: can we afford to use unsecure tech? ⤵️

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#PrusaDay25 FAQ: 2 - Why are you shipping OpenPrintTags without readers on the printers 🤦‍♂️? A: We've been tagging Prusament spools since the very beginning for internal use with UHF tags💡With the new spools we switched to OpenPrintTags. Because these tags are useful outside of printers ...

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🤔 Let's talk about LOW-TECH HI-TECH: advanced technology + deliberately simple production... To bring manufacturing back we need designs like Core One's bent sheet metal exoskeleton - any factory can make it, no special tricks, repairable with a hammer 🔨 Been sitting on this ...

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Prusa Day 2025 was huge 🤯 There was a ton of new things so let me start a little FAQ for all your 3D questions! 💡 #PrusaDay25 FAQ: 1 - Why is there no upgrade kit from Core One to Core One L? A: Simple, because the Core One L is extending our lineup with a new size. C1 will have it's own upgrades.

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CORE One L shipping now! 🧡 Unpack, pick your language, and you're printing. Factory pre-calibrated (Phase Stepping + Input Shaper). Even LCD mounting is a breeze now. Our best packaging ever - I'm genuinely proud of this box. And the graphics 😍 First will start arriving today 🛬 Happy printing!

Prusa Core One L boxes in the factory.