3D printed robots are truly shaping the future of machines. Aside from being low-cost, the most important thing it offers is a customizable and easier approach to exploring robotics. Whether you are a hobbyist, creator, or an engineer, you can bring your complex ideas to life using 3D printers.
This technology continues to open doors to rapid prototyping and innovations. This article will help us explore the 3D printing robots technology, its top 15 projects, benefits, and challenges.
What is Meant by 3D Printed Robots?
3D printed robots are robotic systems made using 3D printing technology. Parts such as frames, arms, joints, or even the entire body can be made using this advanced technology. Compared to traditional machining and molding, the plastic structural components are created layer by layer using a 3D printer.
These robot parts are then structurally assembled with electronic motors, sensors, and controllers to make it a functional robot. 3D printing offers quick prototyping and customization, especially for custom robots for educational use.
The 15 Top 3D Printed Robots
Humanoid & Bipedal Robots
InMoov
InMoov is a life-size humanoid created by French artist Gael Langevin. It features shoulders, arms, fingers, and a head with moving eyes. InMoov’s design allows the creators to gradually create a robot. One part after another. InMoove is popularly used to teach robotics, engineering, and programming by educational institutions.
Poppy
Poppy is also used by educational institutions in laboratories to study how robots move like humans. This open-source robot with the size of a small child, demonstrates smooth movements because of its specialized motors. It is used for studies like how robots walk, think, and interact with humans.
Otto
Otto is another open-source robot that brings out the fun in robotics because it not only walks, but it can also dance. It is easy to assemble and uses simple electronics. Otto is also popular in laboratories and classrooms because it is used to educate kids to program robots.
Animal-Inspired Robots
PetOi Bittle
PetOi Bittle is a palm-sized robot that can walk and mimic the movements of a small dog. It can even perform tricks. Bittle is a perfect robot to use to study four-legged robots, their movements, and how they balance themselves.
OpenCat
OpenCat is a more advanced quadruped robot. It is made by its creator, named Rongzhong Li. This robot is great for those who want to learn deeper about robot movement, balance, and how a robot uses its sensors and cameras to react to its surroundings.
MorpHex
MorpHex is an amazing-looking robot that appears to be perfectly round in shape at first until it transforms into a robot with legs that can walk. It is created by Kare Halvorsen, and it is perfect for studying the mechanical parts of a robot and how they work together in perfect harmony to make a structure move.
SpiderBot
SpiderBot is a robot that uses suction cups to climb walls. Seeing how its legs stick to smooth surfaces as it climbs up a wall is like seeing a real spider. SpideBot is great for learning sensors and control systems.
ArduSpider
ArduSpider is a beginner-friendly robot that uses only a few parts and motors, but it works and walks just fine. It helps beginners get started and learn how to put up and program a robot that can walk.
Robotic Arms & Manipulators
EEZYbotARM
EEZYbotARM is an easy-to-build robot using 3D printed parts. It is also a robot for beginners to educate them on how industrial robots function without needing too much money to make it.
Thor
Thor is the more advanced robot that represents how robots with arms are used in factories. This amazing robot is still affordable because it’s open-source and 3D printed. It is used to educate those who already know basic robotics but want to dive deeper into complex systems.
LittleArm
LittleArm is made for students because it is easy to build and only needs three simple motors to work. It is used in classrooms where young students learn robotics for the first time and may want to build their own robot.
Zortrax Robotic Arm
The Zortrax Robotic Arm is a sturdy robot that can be built using a regular 3D printer. It is great for those who want to learn more about gears and motors, and how robots control movements.
PrintBot Evolution
PrintBot Evolution is a 3D printed robot that can transform into various types using the same parts. It is perfect for classroom use for kids who want to explore robotics without buying too many kits.
Educational & Research Platforms
TurtleBot3
TurtleBot3 is made with 3D printed frames and runs on ROS, a powerful tool used in research and industry. It looks simple, but it will make you learn real robotics software used by professionals and take your students’ robotics skills to the next level.
BeeBot
BeeBot is a small robot designed to teach swarm robotics, which means how robots can work together as a team. It may seem basic on its own, but it can do wonders when used as a group. It’s perfect for those who want to learn coding and how smart systems work together.
Main Benefits of 3D Printing in Robotics
Rapid Prototyping and Fast Iteration
A quick turnaround is especially important in robotics because components need to be tested repeatedly. That’s where 3D printing offers the benefit of rapid prototyping, which allows engineers and designers to transform a digital model into a physical component in just a few hours or days.
Instead of having to wait long for a part to be machined and molded, a creator can print and test rapidly. The fast iteration speeds up the development of the project and identifies the issues early on to improve the robot’s functionality.
Extreme Customization
Creating highly customized parts is one of 3D printing in robotics’ biggest benefits. Using this technology, robots can be designed to meet specific requirements in size, shape, and mounting points that traditional manufacturing methods cannot offer.
3D printing offers this kind of freedom and allows designers and engineers to develop outstanding robots without limiting their options.
Weight Reduction
Weight is a huge factor to consider in robotics , especially for robots that need to lift themselves or move around efficiently. 3D printing uses lightweight materials and an advanced strategy called topological optimization that removes unnecessary materials without compromising strength. Lighter robots are more energy efficient and function for longer periods.
Integration of Functions
Additive manufacturing helps to create parts that do more than one job. A single 3D printed part might have slots and mounting points. It means this reduces the number of parts that need to be assembled, which, in the long run, lowers the risk of errors and mechanical failures. It enhances productivity, resulting in more efficient output.
Affordable Costs, Even for Small Batches
Unlike traditional processes that only become cost-effective when done in bulk, 3D printing offers the option to make small batches or even custom parts. This is especially helpful for prototyping uniquely designed robots with special tasks. 3D printing keeps the cost low while offering flexibility in designs and concepts.
Practical Applications: From Laboratories to Production
Customised Industrial Robots
Fitting in unique production workspaces is often a challenge for standard robots. With 3D printing, engineers and designers can create custom parts that can precisely fit the task and the workspace. The ability to customize to such a level improves productivity and efficiency. It helps businesses automate without the fear of the initial costs and maintenance.
Robots for Research
In the field of robotics and bioengineering, research laboratories rely on innovation. 3D printing helps by giving scientists the capability to build complex robotics systems. In research labs, assistive devices, like robotic arms, are used to study movements and interactions with machines. With the help of faster integration of these devices, scientists can create new medical technologies.
Robots for Logistics
The e-commerce industry continues to grow, and so does the demand for robots that can perform tasks in this industry. These lightweight and durable robots often have sensors and cameras that are especially designed to fit certain configurations.
3D printing lets engineers design these necessary components to meet the robot’s intended tasks. From delivery bots or warehouse sorting robots, 3D printing allows the flexibility to create complex designs without compromising reliability.
Difficulties in Printing and How to Overcome Them
PA12 (Nylon)
PA12 is hygroscopic. It absorbs moisture from the atmosphere that may impact print quality and the part’s mechanical properties. To overcome this challenge, it’s important to store the material in a dry environment. The appropriate temperature and cooling setting while printing also help the desired final product.
PA12 GF/CF
PA12 is often reinforced with GF or CF to achieve the required properties, but fiber-reinforced filaments can wear down some parts, like brass nozzles. To avoid this, use hardened steel for nozzles. It is also helpful to fine-tune settings like layer height and speed to maintain accuracy in processing intricate parts.
TPU
TPU’s soft and bendy properties can make it challenging to 3D print. Incidents like getting stuck or not flowing properly may occur while printing, especially when using long tubes. To overcome this, use tubes that feed the material straight to the hot end. Also, adjusting the settings, particularly the printing speed, will avoid messy errors.
PEEK
PEEK is challenging to print because it requires a high-temperature nozzle as high as 350°C+. Also, a heated bed and chamber to prevent the layers from separating. To fix this, using industrial-grade printers designed for high-temperature printing will ensure the desired result.
Medical ABS
Like standard ABS, medical ABS is prone to warping and releases fumes during the process. To resolve this, printing this material using enclosed and ventilated printers to safely exhaust fumes is advised. Using a heated bed with bed adhesions will reduce warping.
PETG ESD
PETG ESD’s anti-static properties become a challenge when balancing print quality. Some formulations of this material are hard to print due to its brittleness. To get over this challenge, fine-tune the temperature and retraction settings of the printer. Storing PETG in a dry place is also recommended because it tends to absorb moisture due to prolonged exposure.
Conclusion
3D printing in robots continues to offer innovations that impact designing, prototyping, and production without sacrificing standards and precision. This top-notch level of flexibility in terms of speed and customization will shape how robots are built and utilized.
RobotCNCParts specializes in high-precision 3D printing solutions tailored for your complex robotics projects. Our experts are here to help whether you need to prototype or produce functional parts. Contact us today so we can help you bring your robotic visions to life.
