For the most up to date announcements about Marlin and promotional reposts of your amazing #3Dprinting and #DIY projects follow us on #Bluesky and #Mastodon! We will continue to post here but with lower priority and less gusto.

To err is human. To forgive, divine. Since we must err, Let us err on the side of Being too kind And too generous, And suffer the consequences.

Just here to announce my Comet Crawler v1. Is now open source. #maker #robot https://t.co/2Kv0cRaoCI

You've seen Delta. You've seen CORE. But you've never seen Delta Core! https://t.co/ug4yFPLrgH #RepRap #3DPrinting #OpenSource

At the moment #LLMs still can’t handle our codebase and choke on preprocessor macros and novel meta-programming. Humans are still far more adept. But we are rooting for you, brave little #AI, and we’re sure you’ll get there soon! #OpenSource

Mikie Sherrill’s radical energy plan will only make New Jersey utility prices go UP UP UP! 📈 On Nov. 4, say NO to Sherrill. She’s more of the same…but WORSE.

The definition of irony: Contracting pneumonia while you’re taking an extended health break. 😵 I just need to take it easy (and sleep a lot) for a little while, then I’ll be back on the project full-time! #RepRap #OpenSource #HealthyRoutine

Back to work! #RepRap

Our classic YouTubers have all moved on to bigger/better. So where do you find your best online content these days related to hacking together a motion system, plotter, laser cutter, hangprinter … out of scraps … in a cave?!? You know… where the magic happens. #RepRap

Have fun at @OpenSauceLive everyone! We won't be attending this year, but when you experience those #OpenSource vibes and feel the inspirational winds of the #RepRap Revolution at your back you'll know we are there in spirit!

With so many changes in our industry, now is Marlin's critical moment. Our sponsorship is in steep decline, yet our workload is holding steady. As we continue support and development we need your help now more than ever! https://t.co/9jmh1fSelp #3DPrinting #RepRap #OpenSource

Name That Rushmore: Larry Walker is back with 3 new friends Reply with clever images or cryptic text to show you know what these 4 guys have in common without spilling the beans! 🗿 Join the fun, drop your hints, and keep the game rolling. Play now!

⭐️ Auto Build Marlin 2.1.75 provides some new and useful things… 📝Config Editor: Updated for Marlin 2.1.3-b3 compatibility. ℹ️ Info Panel: Documentation Search for quick access to useful knowledge when you need it! 🔗 https://t.co/IlluQGzBn2 #RepRap #3DPrinting #OpenSource

Marlin 2.1.3 beta 3 is out now! https://t.co/KWZao0LUxq We're in the home stretch to the official release. One more big sprint to address all your outstanding bug reports and then we'll put a ring on this thing! #RepRap #3DPrinting #OpenSource

Would you buy a printer bed made of asbestos? Asking for a friend.

Did everyone have a great time at #MRRF2025? We didn't make it out this year because #RepRap needs us to stay on the job to keep this thing going! But guaranteed we'll be there next year to represent our eternal commitment to this amazing #3DPrinting community!

The many faces of how to show up and drive success in life. From the gym to the beach purpose matters.

Building… building… building… Marlin 2.1.3 beta 3 binaries all night long! @MarlinFirmware #RepRap #3DPrinting #OpenSource

Instead of a big block of support material, you can add a custom bridging mesh of a few lines to complete the top of a helmet or mask. The webbing can be easily clipped off after #3dprinting

Welcome @BigTreeTech @3dprintmetal @ecw3d to the big #3DPrintopia 2025 show! Every week we have more and more sponsors signing up and soon we will be selling out of spaces. If you want to be a part of this years event, please reach out today!

Details… Details… Just ordered a set of Trinamic TMC2240 SPI units from Amazon for test and tuning. These advanced stepper drivers are especially well suited to our fancy new Fixed-Time Motion System and Input Shapers. Once 2240 is sorted out let's tag this thing 2.1.3 okay!?

JOIN NOW!

C'mon @Tronxy3 you can do better! You have gained a little bit of benefit from the use of Marlin Firmware, have you not? All we ask is that you politely provide the source code to all customers who ask and at least not throw insults at them. #OpenSource #GPL #3DPrinting

Every #RepRap machine can benefit from well-tuned Input Shaping! This OctoPrint plugin makes the process much simpler and provides a vital UI component in the evolution of Marlin motion control. #3DPrinting https://t.co/NbsacepgjA

Whatever vitamins you're taking, keep it up! The innovation and quality of your contributions to fix, improve, and extend the power and capabilities of all kinds of hobbyist making robots have been especially good in recent times! #RepRap #OpenSource #3DPrinting