Marlin 2.1.2.8 is a minor release patching a few reported bugs. Recommended for all users. github.com/MarlinFirmwa... #RepRap #3DPrinting #OpenSource #Arduino #STM32 #DIY
If writing an entirely new firmware from the ground up —stealing from the best— sounds like a fun and interesting project to you, join us in this exciting initiative! Interesting developments are afoot. #OpenSource #3DPrinting #RepRap #RightToRepair
Kira Coding on Computer
ALT: Kira Coding on Computer
static.klipy.com
We're rewriting the Marlin website from the ground up as an accessible feature-first User Manual — with an eye towards knowledge embedding and further integration with Auto Build Marlin and that OctoPrint 2 plugin we keep teasing. Exciting time to be an #OpenSource maintainer / web dev!
55 PRs merged this week. FreeCAD no longer wastes 2% CPU when idle, read-only documents are now visible in the tree, plus CAM gets auto tag placement and Sketcher input handling improvements. blog.freecad.org/2026/05/06/wip-wednesday-6-may-2026/ #FreeCAD #WIPWednesday #CAD #OpenSource
WIP Wednesday, 6 May 2026
This week in FreeCAD development: Draft Roy_043 fixed a regression where clones would not receive the correct Diffuse color (PR#29725), added statusbar hints for annotation tools (PR#29649), and fi…
blog.freecad.org
Before you unleash #Agents on your #OpenSource project prepare and curate all your knowledge. Sharpen it and remove dross and resolve ambiguities. Provide a high level overview first and work towards details subsystem-by-subsystem. Be patient and take advantage of shared skills.
Premiering now! Hermes Agent and the Future of Coding youtu.be/oAixNXzOw7c?...
Hermes and the Future of Coding — Thinkyhead Live! — Friday Hangout — 1 May 2026
YouTube video by Thinkyhead Software
youtu.be
you can ditch Bambu Lab's cloud now, apparently, and use your 3d printer with something called Bambuddy www.xda-developers.com/finally-have...
I finally have full control of my Bambu Lab printer, but it meant ditching Bambu's cloud
Bambuddy is a major upgrade to your 3D printer.
xda-developers.com
We've got merchandise for sale through TeeSpring. Merch is a great way to support the Marlin project while also showing off your RepRap pride! We don't sell a lot of this stuff, so you may just end up with a rare collectible! #OpenSource #CrowdFunding marlin-firmware-schwag.creator-spring.com
Marlin Firmware Schwag
Spring Store
marlin-firmware-schwag.creator-spring.com
Marlin Firmware 2.1.2.7 patches SPI handling for TFT LVGL UI, and adds example Configurations and pre-built Binaries for Creality 4.2.7 board and ProUI interface. This release is recommended for all users. #RepRap #3DPrinting #OpenSource github.com/MarlinFirmwa...
Release Marlin 2.1.2.7 · MarlinFirmware/Marlin
This is a minor release bringing over some changes from the latest development branch. Example Configurations for many machines are posted at: https://github.com/MarlinFirmware/Configurations/tree/...
github.com
Join me at 6pm CST to celebrate the wonderful world of RepRap and 59 years of being an unapologetic Thinkyhead. youtube.com/live/jLeRQv5... #RepRap #3DPrinting #OpenSource
Thinkyhead's Birthday Stream — 17 Jan 2026
YouTube video by Thinkyhead Software
youtube.com
There are many ways to multi material…. www.youtube.com/shorts/3rvVu... #RepRap #3DPrinting #OpenSource
Keep it simple: BMMU
YouTube video by iopfarmer
youtube.com
We're leveling up with an automated Input Shaping tuner by David Buezas for your favorite RP2040+ADXL+USB device. You've got to check this out! Press the "Simulate" button under "Measure Axis" to see mathematical magic in action. dbuezas.github.io/usb-Input-sh... #RepRap #3DPrinting #OpenSource
ADXL Resonance Analyzer with Live Spectrogram
dbuezas.github.io
Marlin 2.1.2.6 is a minor release bringing over some changes from the latest development branch. github.com/MarlinFirmwa... #3DPrinting #RepRap #OpenSource
The updated Fixed-Time Motion scheduler and trajectory planner is blowing away the previous implementation with its smooth and quiet operation. It’s been ages since we just sat and watched the printer in awe, but this is some crazy magic. #RepRap #3DPrinting #OpenSource
Realtime 100x print speed is possible, but only in simulation! Attach the Marlin Simulator to LLDB in VSCode and there's no more fun and exciting way to debug and test your improvements to our small and maximally efficient #OpenSource motion system. #RepRap #3DPrinting #ImgUI
"Auto Build Marlin" is a VSCode extension created by the lead developer of Marlin Firmware to provide all the tools you need in one convenient location. It's never been easier to configure, build, and update your motion system firmware! #3DPrinting #RepRap #OpenSource #VSCode
I’ll be live streaming later today, putting some final touches to the upcoming Marlin 2.1.3 release. This version will be tagged on Friday and we’ll patch up your reported issues in followup point releases. #3DPrinting
You've seen Delta. You've seen CORE. But you've never seen Delta Core! youtu.be/YO74M19ytRc #RepRap #3DPrinting #OpenSource
deltacore_prototype_2024_2025
YouTube video by Skele Tor
youtu.be
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
a blue robot holding a heart in his hand
ALT: a blue robot holding a heart in his hand
media.tenor.com
The definition of irony: Contracting pneumonia while you’re taking an extended health break. 😵 (And now I know what a “pleural effusion” is.) 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
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! marlinfw.org/docs/develop... #3DPrinting #RepRap #OpenSource
a blue background with the words you 're my only hope in white letters
ALT: a blue background with the words you 're my only hope in white letters
media.tenor.com
Auto Build Marlin 2.1.75 is out now and has some nice improvements for you! - Config Editor: Updated for Marlin 2.1.3-b3 compatibility. - Info Panel: Documentation Search for convenient access to the knowledge you need when you need it! github.com/MarlinFirmwa... #RepRap #3DPrinting #OpenSource