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3D Printy

@3dprinty.xyz
1.3K followers 133 following 351 posts

Maker & 3D printing geek.

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3D Printy @3dprinty.xyz · 04/09/2026
Cleaning, updating, and prepping two @prusa3d.com MK3 printers for a couple young makers checking out the hobby for the first time. These don’t have all the bells and whistles of newer machines, but they’re reliable, maintainable, and (most importantly for our beginners) free :) #3dprinting
Two Prusa MK3 printers sitting on a table with completed test prints on the print beds.Two wooden boxes full of 3D printing supplies including operation manuals, flush cutters, glue sticks, wires, spare parts, and filament.Completed test print on the print bed of a Prusa MK3 printer.

The test print is a silk magenta colored swatch with the text “TEST” and 6 square steps demonstrating different print heights.
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3D Printy @3dprinty.xyz · 27/08/2026
I haven’t purchased a new #3dprinter in years. My little farm of MK3s, MK4s, and the an XL has been too reliable to update. But Prusa finally got me with this announcement of a fully assembled CORE One L+ with 8 color INDX preinstalled. Now to wait for the delivery… youtu.be/guS0BpeI0aQ?...
youtu.be
Bondtech INDX on Prusa CORE One L+: 8-Material Rocket Engine
YouTube video by Prusa 3D
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The Crafty Maker @thecraftymaker.bsky.social · 20/07/2026
I finally wrote up a CAD trick I keep reusing: roofs that print without any support. Instead of making the printer cross one wide gap, you stack hexagons, rotate every other one, and shrink them until the opening has closed itself. No more support scars. open.substack.com/pub/thecraft...
open.substack.com
Stack, Rotate, Shrink: Surfaces That Print Without Support
Stack polygon extrusions, rotate every other one, shrink them and build up your supportless surface.
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Gabe @ Lucky 13 @lucky13toys.bsky.social · 20/07/2026
A bit of news. www.printables.com/article/leap...
printables.com
Leap of Faith | Articles | Printables.com
Community site for 3D printer users. Discover thousands of great printable 3D models, download them for free and read interesting articles about 3D printing.
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3D Printy @3dprinty.xyz · 12/07/2026
Not very. But to be fair, I didn’t look all that well before it either.
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Odd_Jayy @oddjayy.bsky.social · 09/07/2026
Hey All thank you for your patience, I would like to announce the Vantaphage project is now live. #robots #maker #opensource www.digikey.com/en/maker/pro...
just announcing the Vantaphage project is live.
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OSHWA @oshwassociation.bsky.social · 06/06/2026
BrailleRAP is an open source DIY Braille embosser. Derived from a 3d printer controller and a bunch of 3d printed parts, BrailleRAP can emboss Braille text in a lot of languages and even emboss vector graphics to build tangible documents like maps, board games, and art representation. #OHWC2026
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David @davidtobin.bsky.social · 12/05/2026
California 3D Printing legislation update (1/2)
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pezliz @pezliz.bsky.social · 12/05/2026
Tonight on Zee and Zed, @zombiehedgehog.com and I welcome @davidtobin.bsky.social to talk about all things 3D Printing, including the latest legislation. Join us on www.twitch.tv/zombiehedgehog at 10:00pm Eastern!
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3D Printy @3dprinty.xyz · 17/04/2026
Glad to see that @davidtobin.bsky.social and @joeltelling.bsky.social continue to bring attention to this. These bills are based on a fundamental misunderstanding of how 3D printers work. They won’t solve the ghost gun issue, waste time/money, & are impossible to implement. youtu.be/5ax9zW0w_gY?...
youtu.be
Strictest 3D Printing Regulation YET!
YouTube video by 3D Printing Nerd
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3D Printy @3dprinty.xyz · 07/04/2026
I don't like posting about politics on this account, but I dislike what's happening even more. Trump's threats are disqualifying whether or not they're "just a joke" or a strategic bluff. While there are few political tools available to limit the executive branch, it's well past time to use them.
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Mitch 3D @themitch22.bsky.social · 07/04/2026
Open source hardware is awesome. I had a user on Printables make a feature suggestion to add a list of screw angles instead of just opposing sides and I was able to add and test it fairly quickly.
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Andrew Rogers AKA The Silversunbeam @andrewcrogers.com · 26/03/2026
Just hit publish on my latest blog post. It's the first of what will (hopefully) be many that cover some of my design processes and roadblocks. Check it out here: sunbeammakes.com/designing-a-...
sunbeammakes.com
Designing a Budget Petzval Lens for Additive Manufacturing – Sunbeam Makes
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3D Printing World @dddprintingworld.bsky.social · 24/03/2026
I updated a version of the Planetary Egg that has more clearance for textures, so you can add your own texture using CNC Kitchen's STL texturizer. Or you can print one of the textured versions I made. STL's: than.gs/m/1530768 Texturizer: cnckitchen.github.io/stlTexturizer/
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Mitch 3D @themitch22.bsky.social · 20/03/2026
Also: @thesiliconsiren.bsky.social www.youtube.com/@theSiliconS... @jeriellsworth.bsky.social www.youtube.com/@jeriellsworth www.youtube.com/@harkeofficial www.youtube.com/@FranLab
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Mitch 3D @themitch22.bsky.social · 20/03/2026
Just wanted to highlight some women electronics/retro/computing content creators I think everyone should follow: www.youtube.com/@karilawler www.youtube.com/@Sayakas_Dig... @lauriewired.bsky.social www.youtube.com/@lauriewired www.youtube.com/@MacintoshLi...
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Willow Creative @willowcreativ.com · 04/03/2026
Another 3dprinting design optimized for TPU 3dprinting! #cosplay #3dprinting
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3D Printy @3dprinty.xyz · 02/03/2026
The Crafsman is possibly the most chill feel-good YouTube channel I watch. So you bet I was interested in his take on AI. youtu.be/CC7dmomiVuo?...
youtu.be
AI is DEATH to creativity... and maybe humans.
YouTube video by The Crafsman Steady Craftin
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3D Printy @3dprinty.xyz · 28/02/2026
So much has changed since my last video. When I return, I plan to add a "No AI" disclosure. I can't control what YouTube does post-upload, but my own designs, thumbnails, videos, scripts, & captions are not produced by GenAI. To the extent I can verify, any background music I use will be the same.
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Adrian Bowyer @adrianbowyer.bsky.social · 09/02/2026
I confess that, when I started the #RepRap Project, I didn't anticipate that it would be a significant technology in non-violent protest against fascism in the USA.
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Eric Lengyel @ericlengyel.bsky.social · 27/01/2026
This is a reminder that every diagram from my book Projective Geometric Algebra Illuminated is available on Wikimedia Commons under the CC-BY-4.0 license. They can be freely used in slides, papers, books, Wikipedia articles, etc., with proper attribution. commons.wikimedia.org/wiki/User:Er...
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Mitch 3D @themitch22.bsky.social · 26/01/2026
I started this shelf project about 6 months ago when I moved into my apartment. I developed a parametric dowel rod connector system to build it then I had the hardest time motivating myself to finish it. I had to problem solve since I built it with basic tools and my Mk4/Core One printing 6+kg PETG
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Caleb Kraft @calebkraft.bsky.social · 23/12/2025
88 gamers got assistive devices FOR FREE through thecontrollerproject.com either directly from me or through one of the amazing volunteers around the world. thanks to @prusa3d.com for his support with reliable 3d printers and to @cookiecad.com for beautiful filament to make these look amazing.
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Mitch 3D @themitch22.bsky.social · 19/01/2026
I saw we're doing 2016 throwbacks. On this day 10 years ago, I was making the first prints on a Mendel 90 we built for the "How to build a RepRap 3D printer" class I taught at the Dallas Makerspace. I would have never guessed I'd be making a living working on 3D printers founded by RepRap today.
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Tomb Heintjes @hogansalley.bsky.social · 31/12/2025
Not only a perfect denouement, it was the end of an era. Thirty years ago today, this strip was published.
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3D Printy @3dprinty.xyz · 27/12/2025
The multimaterial 3D printed gasket mechanism used in my braille and pop fidgets has made its was into another practical design!
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Mason McNair, PhD (he/him) @sarraceniamason.bsky.social · 26/12/2025
My final paper from my postdoc with @trevorrife.bsky.social is out! If you've ever manually counted or sorted seeds, sampled tissue with a hole punch, filled tubes or plates with beads/seeds this is for you! dx.doi.org/10.1002/csc2... Get the designs free here: www.printables.com/model/135088...
dx.doi.org
Three‐dimensional‐printed tools to democratize global plant research
Affordable, customizable three-dimensional (3D)-printed tools can replace costly commercial equipment making plant research more accessible worldwide. 3D-printed tools improve speed, accuracy, and v...
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Mark Gerl @markgerl.bsky.social · 18/12/2025
#TodaysMomentOfAwesome Reflecting on the 1st half of 25-26 I keep coming back to "The correct analogy of the human mind is not a vessel to be filled but a fire to be kindled, the sparking of which produces an impulse toward original thought & an ardent desire for Truth." --Plutarch #EduSky #🔥not🪣
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3D Printy @3dprinty.xyz · 10/12/2025
If the first 3 seconds of a video has a voice-over in generic 3rd person past tense ("The man placed a $20 bill in his shoe"), that video is an instant down vote and skip. One might think the YouTube algorithm would learn I treat AI slop the same way a cat handles tape clinging to its back paw.
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Abby Brown @abbymath.bsky.social · 30/11/2025
Another mathematical model! 🎉 "Conic Sections Cone" shows a hyperbola, parabola, ellipse, and circle formed by planes cutting a cone. Both nappes of the cone together illustrates the two branches of a hyperbola. Now at Cults3D. More in comments. @cults3d.bsky.social
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Greg Saunier @gregsaunier.bsky.social · 27/11/2025
Have you ever had a spool of PLA filament that snap in your hand like uncooked spaghetti? Or perhaps the filament broke inside the PTFE tube? Why does this happen, and how can it be avoided? Explanations here: ekunn.com/blog/2025/11... © cover image: Zack Freedman #3dprinting #pla #filament
ekunn.com
Why Does PLA Filament Sometimes Snap Like Spaghetti?
Have you ever had a spool of PLA filament that snap in your hand like uncooked spaghetti? Or perhaps the filament broke inside the PTFE tube? Why does this happen, and how can it be avoided?
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3D Printy @3dprinty.xyz · 27/11/2025
I hate getting stuff packaged in wasteful styrofoam packing blocks... but if you ever have a project that would be instantly solved with the stuff, it's nowhere to be found.
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Abby Brown @abbymath.bsky.social · 24/11/2025
"Unit Circle Triangles & Tray" now at Cults3D. 🎉 I made worksheets too that fit the triangles perfectly. My colleagues are eager to use these in upcoming lessons and I've been printing class sets of triangles in Jessie PLA. STLs: cults3d.com/:3729612 @cults3d.bsky.social @printedsolid.bsky.social
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3D Printy @3dprinty.xyz · 19/11/2025
Do I need another 3D printer? No. Do I have room for another 3D printer? No. Am I eagerly waiting and hoping for a preorder announcement from Prusa? You bet!
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prusa3d.com @prusa3d.com · 31/10/2025
Think big, print big! Meet the Prusa CORE One L, ✨ our new large-format CoreXY printer, just 10% bigger than CORE One yet with 200% print volume, a new convection AC heatbed for uniform heat, and a 60 °C chamber for confident printing in advanced materials. 🦾 👉 blog.prusa3d.com/think-big-pr...
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all3dp.com @all3dp.com · 31/10/2025
Prusa Open Sources a Solution for Smart Filament Tagging all3dp.com/4/prusa-open-sources-a-s…
all3dp.com
Prusa Open Sources a Solution for Smart Filament Tagging
The brand, conspicuous in its non-use of RFID for filament tagging, has released OpenPrintTag, an open source solution to cross-printer writable spool data that anyone can use.
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3D Printy @3dprinty.xyz · 25/10/2025
Kids these days don't know how easy they have it. 67? Bah! We had to wait for an adult to say a number slightly larger than 9,000 before we'd get to break out our meme. Do you realize how rare that was?
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3D Printy @3dprinty.xyz · 22/10/2025
Solving #cat fostering challenges with #3dprinting! I'm currently fostering a young cat named Chabi whose desire to live under a bed cannot be blocked by mere boxes or pillows. Solution: Scrap parts from the 3D Printed shelving system (Printy Panels) I designed last year!
Photo of a wall constructed out of 3D printed "Printy Panels" before they are installed into the gap under a bed.Photo of a wall constructed out of 3D printed "Printy Panels" after they are installed into the gap under a bed.Photo of Chabi, a young (~1 year old) foster cat. Chabi has a tuxedo/large spot pattern with white and gray fur.
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Gabe @ Lucky 13 @lucky13toys.bsky.social · 13/10/2025
Oh hey - the original Dummy 13 model was posted two years ago today. … What would you want to see in a version 2.0?
Screenshot from Printables showing Dummy 13 (beta files) with its upload date of October 13, 2023
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3D Printy @3dprinty.xyz · 13/10/2025
Been printing thousands of these (at least 5kg of PETG so far). What are they? I'll get around to sharing that eventually :) These will be part of a giveaway next time I make it to a maker fair or RepRap festival.
Photo of a Prusa XL print bed in middle of printing over 100 small red rectangular objects with white stripes in various patterns. Each rectangular object has a "C" shaped claw on the one end.
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3DPrintBunny @3dprintbunny.bsky.social · 13/10/2025
I've been playing with a new string idea, I'm a bit obsessed! 😆
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3D Printy @3dprinty.xyz · 06/10/2025
I have too many perfectly functioning Prusa MK3 & MK4 3D printers to justify buying a Core One... But if they ever released a version of the Core One with 2 printheads, well, I'd find a way to convince myself to upgrade/replace them all.
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Mark Gerl @markgerl.bsky.social · 27/09/2025
#TodaysMomentOfAwesome Working the CocoaPress booth at @3dprintopia.bsky.social my 1st 3D print event Walking around, talking to people, seeing the amazing ideas that come from Cartesian planes & melting plastic to become absolutely incredible designs. 11/10 would recommend #EduSky #MakerEdu
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Cookiecad @cookiecad.com · 26/09/2025
Cookiecad has an announcement for our community. Today we are pleased to announce the launch of Cookiecad Cares. We will launch in partnership with three organizations that promote inclusivity in 3D printing - at cares.cookiecad.com you can see our partners and apply.
cares.cookiecad.com
Cookiecad Cares | 3D Printing With Purpose
Cookiecad Cares supports makers of all abilities with vibrant 3D filament donations, community partnerships, and education for impact.
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3D Printy @3dprinty.xyz · 23/09/2025
I've posted a requested update to one of my #3dprinted mini monster models. The Mini Skeleton now has a 3rd pose: double pointed fingers. It's perfect for balancing multiple skulls at the same time! www.printables.com/model/100769...
Photo of two 3D printed skeletons.

The skeleton on the left is printed at 200% scale.

The skeleton on the right is the default scale, but instead of having a single skull on its shoulders, the skeleton is holding one skull in each hand.

A third skull is sitting alone on the table.
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Fotis Mint Studios @fotismint.bsky.social · 21/09/2025
Shelob's Lair #3DPrinting #LordOfTheRings #zbrush
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prusa3d.com @prusa3d.com · 09/09/2025
We have a big update for our EasyPrint service - our unique solution for slicing on phones, tablets, and in your browser now works not only with Prusa printers but also with many third-party machines. 🦾 Vorons, Creality, Bambulab, Elegoo... you name it! Try it now! prusa.io/EasyPrint
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Fotis Mint Studios @fotismint.bsky.social · 09/09/2025
Gimli bust #3dprinting #ZBrush #LOTR
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Ellie Rose @ellierose.me · 09/09/2025
Print Kits is on BlueSky Now!! We have a new project every month at printkits.com :-)
printouts.com
printouts.com
Printouts,Printing
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