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A robot as a 3D printer? 🖨️ Meltio developed a robot that 3D prints in metal. They have unveiled their own line of wire-based 3D printing materials. The new materials range, named Meltio Materials, includes stainless steel, mild steel, titanium, and nickel alloys. 👨🏼‍🏭 What makes this exciting is...

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Lukas Ziegler

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34,094 views • 9 months ago •via X (Twitter)

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About a robot that became a 3D printer! 🖨️ A team of designers in Shanghai developed a 6-axis robotic 3D printer inspired by spiderwebs at Tongji University. The project is about merging design and fabrication processes, drawing from spider threads' biomimetic strength and structure. 🕸️ The printer utilizes a unique spindle-knot extrusion technique, enabling self-supporting structures and greater spatial flexibility than traditional layer-based 3D printing. The device features a robot from KUKA and a robotic end-effector with movable printheads, controlled by an Arduino-based system with precise temperature and extrusion controls. Despite being a work in progress, the project shows the potential of combining robotics and 3D printing. ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →
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About a robot that became a 3D printer! 🖨️ A team of designers in Shanghai developed a 6-axis robotic 3D printer inspired by spiderwebs at Tongji University. The project is about merging design and fabrication processes, drawing from spider threads' biomimetic strength and structure. 🕸️ The printer utilizes a unique spindle-knot extrusion technique, enabling self-supporting structures and greater spatial flexibility than traditional layer-based 3D printing. The device features a robot from KUKA and a robotic end-effector with movable printheads, controlled by an Arduino-based system with precise temperature and extrusion controls. Despite being a work in progress, the project shows the potential of combining robotics and 3D printing. ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

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Supportless, free-form 3D printing! ⛓️ By using low-melting-point Fields' metal and shaping it through surface tension, this process can create highly conductive 3D structures in a single pass, no supports, no post-processing. Pretty interesting way of thinking about additive manufacturing, especially for electronics and functional metal parts. Just wow. I only know this is from Singapore, anyone has more information about them? ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

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74 seconds to print a 3D Benchy! 🚢 Someone just printed a 3D Benchy in 74 seconds! For context: Benchy is the standard benchmark for 3D printing quality. Getting it done in 74 seconds required pushing every variable to its limit. Pulley and belt systems optimized for minimal slop, machine rigidity improvements to eliminate flex under high acceleration, input shaping to cancel out resonance frequencies that cause ringing artifacts at high speeds. A 3D scanner to analyze print quality objectively. Frequency analysis to identify and cancel specific resonance modes in the frame and motion system. Check it out here: ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

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Printing metal made easy! 🖊️ Most metal 3D printing today relies on heat. Lasers or electron beams melt metal powder or wire, fuse it, and let it solidify again. That works, but it’s inefficient: a lot of energy is lost before it ever reaches the material, and even more is wasted as heat dissipates into the surroundings. This work explores a very different idea. Instead of melting metal, it uses high-frequency, low-amplitude mechanical vibrations to temporarily lower a metal’s yield stress and enhance atomic diffusion. Under these conditions, metal can be shaped and joined without full melting. By combining shaping and joining at the same time, the researchers introduce a new additive manufacturing process called Resonance-Assisted Deposition (RAD). Because it avoids melt–solidification, RAD is far more energy-efficient and enables things that are difficult or impossible with conventional methods. Pretty cool method! More info here: ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

Lukas Ziegler

125,104 views • 9 months ago

3D printing is getting wild! 🧊 A one-piece printed bar counter just dropped: 1.1 meters tall and over 4 meters long, made entirely from PETG with millimeter-level precision. A single continuous organic surface with integrated LED backlighting. A giant monolithic print. Every week we’re seeing 3D printers take on bigger, more complex, more architectural pieces. And this one shows just how far large-format additive manufacturing has come. ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →
0:22

3D printing is getting wild! 🧊 A one-piece printed bar counter just dropped: 1.1 meters tall and over 4 meters long, made entirely from PETG with millimeter-level precision. A single continuous organic surface with integrated LED backlighting. A giant monolithic print. Every week we’re seeing 3D printers take on bigger, more complex, more architectural pieces. And this one shows just how far large-format additive manufacturing has come. ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

Lukas Ziegler

120,166 views • 5 months ago

The $600 Open-Source Home Robot🤖 Meet AlohaMini, the new dual-arm mobile robot designed to make real-world manipulation and embodied AI research accessible. This bot is fully 3D-printable and aimed at home builders and research labs. Key Features: 💰 Cost: The Bill of Materials (BOM) totals around $600 (USD) for self-printed parts, making it highly accessible. 🦾 Hardware: Dual-arm mobile base with a motorized vertical lift (0–60 cm travel). 💻 Software: Completely open-source hardware and software, compatible out-of-the-box with the LeRobot framework. The platform supports a fully 3D-printed Mini and a stiffer Pro model (hybrid materials). It assembles in approximately 60 minutes. 🔗 GitHub Open-Source Code & Files:
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The $600 Open-Source Home Robot🤖 Meet AlohaMini, the new dual-arm mobile robot designed to make real-world manipulation and embodied AI research accessible. This bot is fully 3D-printable and aimed at home builders and research labs. Key Features: 💰 Cost: The Bill of Materials (BOM) totals around $600 (USD) for self-printed parts, making it highly accessible. 🦾 Hardware: Dual-arm mobile base with a motorized vertical lift (0–60 cm travel). 💻 Software: Completely open-source hardware and software, compatible out-of-the-box with the LeRobot framework. The platform supports a fully 3D-printed Mini and a stiffer Pro model (hybrid materials). It assembles in approximately 60 minutes. 🔗 GitHub Open-Source Code & Files:

RoboHub🤖

41,670 views • 10 months ago

Elon Musk reveals the "magic wand number" that shows how cheap anything could be built "If you look at the raw materials in a rocket: aluminum, steel, titanium, copper, specialty alloys, and you ask what's the weight of each constituent element and its raw material value, that sets the asymptotic limit for how low the cost of the vehicle can be, unless you change the materials" "I call it the magic wand number. If you had a pile of these raw materials and could wave a magic wand and rearrange the atoms into the final shape, that would be the lowest possible cost you could make this thing for. And that is almost always a very low number" "So what's actually causing things to be expensive is how you put the atoms into the desired shape"
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Elon Musk reveals the "magic wand number" that shows how cheap anything could be built "If you look at the raw materials in a rocket: aluminum, steel, titanium, copper, specialty alloys, and you ask what's the weight of each constituent element and its raw material value, that sets the asymptotic limit for how low the cost of the vehicle can be, unless you change the materials" "I call it the magic wand number. If you had a pile of these raw materials and could wave a magic wand and rearrange the atoms into the final shape, that would be the lowest possible cost you could make this thing for. And that is almost always a very low number" "So what's actually causing things to be expensive is how you put the atoms into the desired shape"

Jaynit

205,557 views • 2 months ago

The vlog from Pollen Robotics is out! A fantastic visit in Bordeaux to see myself one of the only European humanoids companies. I visited their HQ and saw how they build and test robots. It's great to see the open source approach that is getting more and more people involved in robotics. True democratization of robotics (thanks clem 🤗, and Hugging Face)! Here's the link to the vlog: Thanks for such a warm welcome Reachy team!💛 ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →
0:30

The vlog from Pollen Robotics is out! A fantastic visit in Bordeaux to see myself one of the only European humanoids companies. I visited their HQ and saw how they build and test robots. It's great to see the open source approach that is getting more and more people involved in robotics. True democratization of robotics (thanks clem 🤗, and Hugging Face)! Here's the link to the vlog: Thanks for such a warm welcome Reachy team!💛 ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

Lukas Ziegler

10,373 views • 9 months ago