Support our educational content for free when you purchase through links on our site. Learn more
30+ Awesome Things to 3D Print When You’re Bored [2024] 🤯
Remember that time you spent hours building with LEGOs as a kid? 3D printing is like that, but on steroids! It’s the ultimate boredom buster, allowing you to create anything your imagination can conjure up. From whimsical trinkets to practical everyday objects, 3D printing can help you bring your ideas to life and unleash your inner maker.
This comprehensive guide will explore over 30 incredible things you can 3D print when you’re feeling bored, covering everything from fun and functional projects for the home and office to creative and innovative ideas for gamers, artists, and even your furry friends. We’ll also delve into the history of 3D printing, explore the latest innovations, and discuss the exciting possibilities for the future. So, grab your filament, fire up your printer, and get ready to be amazed!
Key Takeaways
- 3D printing is a fantastic way to beat boredom and unleash your creativity. It’s a fun and rewarding hobby that allows you to bring your ideas to life.
- There are endless possibilities for 3D printing. You can create anything from toys and games to tools and gadgets, home decor, jewelry, and even food.
- 3D printing is becoming more accessible and affordable. There are now a wide range of 3D printers available, from budget-friendly options to high-end models.
- 3D printing is a powerful tool for makers, artists, and innovators. It’s a technology that’s constantly evolving, and the possibilities for the future are truly exciting.
👉 Shop 3D Printers on: Amazon | Walmart | Etsy | eBay
Table of Contents
- Quick Tips and Facts
Quick Tips and Facts - The 3D Printing Boredom Busters: A History of Awesome
The 3D Printing Boredom Busters: A History of Awesome - Fun and Functional: 3D Printing for the Bored
Fun and Functional: 3D Printing for the Bored - 3D Printing for the Home: Practical Projects for the Bored
3D Printing for the Home: Practical Projects for the Bored - 3D Printing for the Kitchen: Culinary Creations for the Bored
3D Printing for the Kitchen: Culinary Creations for the Bored - 3D Printing for the Office: Desk Accessories for the Bored
3D Printing for the Office: Desk Accessories for the Bored - 3D Printing for the Outdoors: Adventure Gear for the Bored
3D Printing for the Outdoors: Adventure Gear for the Bored - 3D Printing for the Maker: Creative Projects for the Bored
3D Printing for the Maker: Creative Projects for the Bored - 3D Printing for the Gamer: Level Up Your Boredom
3D Printing for the Gamer: Level Up Your Boredom - 3D Printing for the Fashionista: Style Up Your Boredom
3D Printing for the Fashionista: Style Up Your Boredom - 3D Printing for the Artist: Unleash Your Inner Boredom Buster
3D Printing for the Artist: Unleash Your Inner Boredom Buster - 3D Printing for the Kids: Boredom Busters for Little Makers
3D Printing for the Kids: Boredom Busters for Little Makers - 3D Printing for the Pet: Spoil Your Furry Friend’s Boredom
3D Printing for the Pet: Spoil Your Furry Friend’s Boredom - 3D Printing for the Future: What’s Next for the Bored?
3D Printing for the Future: What’s Next for the Bored? - Conclusion
Conclusion - Recommended Links
Recommended Links - FAQ
FAQ - Reference Links
Reference Links
Quick Tips and Facts
3D printing is a fantastic way to beat boredom! It’s a creative outlet that lets you bring your ideas to life, whether you’re designing a cool gadget, a quirky home decor piece, or even a personalized gift for a friend.
Here are some quick tips to get you started:
- Start with simple projects: Don’t get overwhelmed by complex designs. Begin with easy-to-print objects like phone stands, keychains, or small figurines.
- Explore free 3D models: Websites like Thingiverse are treasure troves of free 3D models you can download and print.
- Experiment with different materials: PLA and ABS are popular choices for beginners, but you can also explore other materials like wood filament, flexible filament, and even metal.
- Don’t be afraid to make mistakes: 3D printing is a learning process. Embrace your failures, learn from them, and keep experimenting!
Here are some interesting facts about 3D printing:
- The first 3D printer was invented in 1984. It used a process called stereolithography, which involves hardening liquid resin with a UV laser. Source: Wikipedia
- 3D printing is used in a wide range of industries. From healthcare to aerospace, 3D printing is revolutionizing the way we design and manufacture products. Source: All3DP
- 3D printing is becoming more accessible. The cost of 3D printers has been steadily decreasing, making it easier for hobbyists and small businesses to get started. Source: 3D Printing Industry
Want to learn more about 3D printing? Check out our blog posts on 3D Printable Objects, 3D Printing Techniques, and 3D Printing Innovations.
The 3D Printing Boredom Busters: A History of Awesome
Remember those days when you were a kid and you’d spend hours building with LEGOs or drawing elaborate masterpieces? 3D printing is like that, but on steroids! It’s the ultimate boredom buster, allowing you to create anything your imagination can conjure up.
Let’s take a trip down memory lane:
- The Early Days: The first 3D printers were bulky, expensive, and limited in their capabilities. They were mainly used by researchers and engineers.
- The Rise of the Maker Movement: With the advent of more affordable and user-friendly 3D printers, the maker movement exploded. People from all walks of life started using 3D printing to create everything from toys to tools.
- The Age of Innovation: Today, 3D printing is used in a wide range of applications, from creating custom prosthetics to printing houses. The possibilities are truly endless!
3D printing has come a long way, and it’s only getting more exciting. It’s a technology that’s empowering people to create, innovate, and solve problems. So, if you’re looking for a way to beat boredom, get creative, and learn something new, 3D printing is the perfect hobby for you!
Fun and Functional: 3D Printing for the Bored
3D printing is like a magic wand for your imagination. You can create anything you want, from whimsical trinkets to practical everyday objects. Here are some ideas to get your creative juices flowing:
Fun Projects:
- Customizable Figurines: Print your favorite characters, animals, or even yourself! You can find tons of free 3D models online, or design your own using 3D modeling software.
- Personalized Keychains: Make a keychain with your initials, a funny quote, or a design that reflects your personality. It’s a great way to add a personal touch to your keys.
- Unique Jewelry: Print rings, earrings, necklaces, and more! You can use different materials to create different looks, from sleek and modern to whimsical and colorful.
- Miniature Games: Print your own game pieces, terrain, and buildings for your favorite tabletop games. It’s a great way to customize your gaming experience and add a personal touch to your collection.
- Decorative Ornaments: Print ornaments for your Christmas tree, or create unique decorations for your home. You can use different materials and finishes to create a variety of styles.
Functional Projects:
- Phone Stands: Print a phone stand to hold your phone upright while you watch videos, make calls, or charge it. You can find designs for different phone sizes and styles.
- Cable Organizers: Keep your cords and cables tidy with a 3D-printed cable organizer. You can design one to fit your specific needs, or find a pre-made design online.
- Tool Holders: Print holders for your tools, pens, pencils, or other small items. It’s a great way to organize your workspace and keep everything within reach.
- Kitchen Gadgets: Print a spice rack, a cookie cutter, or a soap dispenser. You can find tons of cool and useful kitchen gadgets online.
- Desk Accessories: Print a pen holder, a paperclip holder, or a business card holder. It’s a great way to add a personal touch to your desk and make it more organized.
3D printing is a great way to combine fun and functionality. You can create objects that are both beautiful and useful, and you can personalize them to fit your own unique style.
3D Printing for the Home: Practical Projects for the Bored
Your home is your sanctuary, and 3D printing can help you make it even more comfortable and stylish. From practical storage solutions to quirky decor pieces, there’s a 3D-printed project for every room in your house.
Storage Solutions:
- Wall-mounted organizers: Print organizers for your bathroom, kitchen, or bedroom. You can design them to hold your toiletries, spices, jewelry, or other small items.
- Desk organizers: Print a pen holder, a paperclip holder, or a business card holder. It’s a great way to keep your desk tidy and organized.
- Shoe racks: Print a shoe rack to keep your shoes organized and off the floor. You can design one to fit your specific needs, or find a pre-made design online.
- Jewelry organizers: Print a jewelry organizer to keep your necklaces, bracelets, and earrings tidy. You can design one to fit your specific needs, or find a pre-made design online.
- Tool holders: Print holders for your tools, pens, pencils, or other small items. It’s a great way to organize your workspace and keep everything within reach.
Decorative Pieces:
- Wall art: Print decorative wall art, such as abstract designs, geometric patterns, or even portraits. You can use different materials and finishes to create a variety of styles.
- Light fixtures: Print unique light fixtures for your home. You can find designs for pendant lights, table lamps, and even sconces.
- Vases: Print vases for your flowers or plants. You can design them in different shapes and sizes, or find a pre-made design online.
- Planters: Print planters for your succulents, herbs, or other plants. You can design them in different shapes and sizes, or find a pre-made design online.
- Candlesticks: Print candlesticks to add a touch of elegance to your home. You can design them in different styles, or find a pre-made design online.
3D printing can help you create a home that’s both functional and stylish. You can personalize your space with unique and creative pieces that reflect your own personality.
3D Printing for the Kitchen: Culinary Creations for the Bored
Who says you can’t 3D print food? While we’re not quite there yet, 3D printing is already making its mark in the kitchen, with innovative gadgets and tools that are transforming the way we cook and eat.
Kitchen Gadgets:
- Cookie cutters: Print custom cookie cutters to create unique shapes and designs. You can find designs for all kinds of cookies, from traditional shapes to whimsical characters.
- Spice racks: Print a spice rack to keep your spices organized and within reach. You can design one to fit your specific needs, or find a pre-made design online.
- Soap dispensers: Print a soap dispenser to add a touch of style to your kitchen sink. You can design one to fit your specific needs, or find a pre-made design online.
- Measuring spoons: Print measuring spoons to make baking easier and more accurate. You can design them in different sizes, or find a pre-made design online.
- Utensil holders: Print a utensil holder to keep your forks, spoons, and knives organized. You can design one to fit your specific needs, or find a pre-made design online.
Food-related Projects:
- Chocolate molds: Print chocolate molds to create unique and delicious treats. You can find designs for all kinds of chocolate shapes, from simple bars to intricate sculptures.
- Candy molds: Print candy molds to create unique and colorful candies. You can find designs for all kinds of candy shapes, from simple lollipops to intricate figurines.
- Ice cube trays: Print ice cube trays to create unique and fun ice cubes. You can find designs for all kinds of ice cube shapes, from simple cubes to intricate designs.
- Food-grade molds: Print food-grade molds to create unique and delicious dishes. You can find designs for all kinds of dishes, from savory appetizers to sweet desserts.
3D printing is opening up a whole new world of culinary possibilities. From creating unique kitchen gadgets to printing edible treats, the possibilities are truly endless!
3D Printing for the Office: Desk Accessories for the Bored
Your desk is your command center, and 3D printing can help you make it more organized, stylish, and productive. From practical organizers to quirky desk toys, there’s a 3D-printed project for every office worker.
Practical Organizers:
- Pen holders: Print a pen holder to keep your pens, pencils, and other writing instruments organized. You can design one to fit your specific needs, or find a pre-made design online.
- Paperclip holders: Print a paperclip holder to keep your paperclips organized and within reach. You can design one to fit your specific needs, or find a pre-made design online.
- Business card holders: Print a business card holder to keep your business cards organized and easily accessible. You can design one to fit your specific needs, or find a pre-made design online.
- Cable organizers: Print a cable organizer to keep your cords and cables tidy and out of the way. You can design one to fit your specific needs, or find a pre-made design online.
- Phone stands: Print a phone stand to hold your phone upright while you work. You can find designs for different phone sizes and styles.
Quirky Desk Toys:
- Fidget spinners: Print a fidget spinner to help you focus and relieve stress. You can find designs for different styles and sizes.
- Miniature robots: Print miniature robots to add a touch of whimsy to your desk. You can find designs for all kinds of robots, from classic designs to futuristic creations.
- Desk toys: Print desk toys to keep you entertained and engaged. You can find designs for all kinds of desk toys, from simple puzzles to complex games.
- Miniature plants: Print miniature plants to add a touch of nature to your desk. You can find designs for all kinds of plants, from succulents to ferns.
- Personalized desk accessories: Print personalized desk accessories, such as a pen holder with your initials or a paperclip holder with a funny quote.
3D printing can help you create an office space that’s both functional and fun. You can personalize your workspace with unique and creative pieces that reflect your own personality.
3D Printing for the Outdoors: Adventure Gear for the Bored
Are you an outdoor enthusiast? 3D printing can help you take your adventures to the next level, with custom gear that’s designed for your specific needs.
Camping Gear:
- Tent stakes: Print custom tent stakes that are lightweight, durable, and easy to pack. You can design them to fit your specific needs, or find a pre-made design online.
- Campfire tools: Print campfire tools, such as a marshmallow roaster, a poker, or a grill grate. You can design them to fit your specific needs, or find a pre-made design online.
- Water bottle holders: Print water bottle holders to keep your water bottles secure and easily accessible. You can design them to fit your specific needs, or find a pre-made design online.
- First aid kits: Print a first aid kit to keep your essential supplies organized and within reach. You can design one to fit your specific needs, or find a pre-made design online.
- Headlamp mounts: Print headlamp mounts to keep your headlamp secure and easily accessible. You can design them to fit your specific needs, or find a pre-made design online.
Hiking Gear:
- Hiking poles: Print custom hiking poles that are lightweight, durable, and adjustable. You can design them to fit your specific needs, or find a pre-made design online.
- Backpack accessories: Print backpack accessories, such as a water bottle holder, a map holder, or a first aid kit holder. You can design them to fit your specific needs, or find a pre-made design online.
- Trekking poles: Print trekking poles to help you navigate difficult terrain. You can design them to fit your specific needs, or find a pre-made design online.
- Hiking boots: Print custom hiking boots that are comfortable, durable, and supportive. You can design them to fit your specific needs, or find a pre-made design online.
- Hiking socks: Print custom hiking socks that are breathable, moisture-wicking, and comfortable. You can design them to fit your specific needs, or find a pre-made design online.
3D printing can help you create custom gear that’s perfect for your outdoor adventures. You can design gear that’s lightweight, durable, and functional, and you can personalize it to fit your own unique style.
3D Printing for the Maker: Creative Projects for the Bored
Are you a maker at heart? 3D printing is the perfect tool for bringing your creative ideas to life. From intricate sculptures to functional prototypes, the possibilities are truly endless.
Sculptures and Art:
- Abstract sculptures: Print abstract sculptures to add a touch of modern art to your home or workspace. You can design them in different shapes and sizes, or find a pre-made design online.
- Figurative sculptures: Print figurative sculptures to create realistic representations of people, animals, or other objects. You can design them in different styles, or find a pre-made design online.
- 3D printed jewelry: Print custom jewelry to add a personal touch to your style. You can design rings, earrings, necklaces, and more.
- 3D printed toys: Print toys for children or adults. You can find designs for all kinds of toys, from simple puzzles to complex games.
- 3D printed models: Print models of buildings, cars, airplanes, or other objects. You can find designs for all kinds of models, from simple replicas to intricate details.
Prototypes and Gadgets:
- Functional prototypes: Print functional prototypes of your inventions or designs. You can test your ideas and make adjustments before you commit to a full-scale production.
- Custom tools: Print custom tools to fit your specific needs. You can design tools for woodworking, metalworking, or other crafts.
- Gadgets and gizmos: Print gadgets and gizmos to solve everyday problems or make your life easier. You can find designs for all kinds of gadgets, from phone stands to keychains.
- 3D printed electronics: Print 3D printed electronics to create unique and innovative devices. You can find designs for all kinds of electronics, from sensors to circuits.
- 3D printed robots: Print 3D printed robots to create your own robotic companions. You can find designs for all kinds of robots, from simple robots to complex machines.
3D printing is a powerful tool for makers of all levels. It allows you to bring your creative ideas to life and experiment with new designs and technologies.
3D Printing for the Gamer: Level Up Your Boredom
Are you a gamer? 3D printing can help you take your gaming experience to the next level, with custom gear and accessories that are designed to enhance your gameplay.
Game Accessories:
- Custom controllers: Print custom controllers for your favorite games. You can design controllers that are more comfortable, ergonomic, or responsive.
- Game pieces: Print custom game pieces for your favorite board games or tabletop RPGs. You can design pieces that are more detailed, unique, or thematic.
- Terrain and scenery: Print terrain and scenery for your favorite wargames or miniature games. You can create realistic landscapes, buildings, and other features.
- Gaming desks: Print custom gaming desks that are designed for comfort, functionality, and style. You can design desks with built-in cable management, cup holders, and other features.
- Gaming chairs: Print custom gaming chairs that are designed for comfort, support, and style. You can design chairs with adjustable lumbar support, armrests, and other features.
Gaming Gear:
- Headset stands: Print headset stands to keep your headset organized and easily accessible. You can design stands that are stylish, functional, and thematic.
- Keyboard wrist rests: Print keyboard wrist rests to provide comfort and support while you game. You can design wrist rests that are ergonomic, adjustable, and stylish.
- Mouse pads: Print custom mouse pads with your favorite game characters, logos, or designs. You can design mouse pads that are large, comfortable, and stylish.
- Gaming controllers: Print custom gaming controllers that are designed for comfort, functionality, and style. You can design controllers with different button layouts, grips, and other features.
- Gaming peripherals: Print custom gaming peripherals, such as joysticks, steering wheels, and flight sticks. You can design peripherals that are more comfortable, responsive, and realistic.
3D printing can help you create a gaming setup that’s both functional and stylish. You can personalize your gaming experience with unique and creative accessories that are designed to enhance your gameplay.
3D Printing for the Fashionista: Style Up Your Boredom
Are you a fashionista? 3D printing is opening up a whole new world of possibilities for fashion, with custom designs that are both stylish and innovative.
Accessories:
- Jewelry: Print custom jewelry to add a personal touch to your style. You can design rings, earrings, necklaces, and more.
- Sunglasses: Print custom sunglasses with unique frames and lenses. You can design sunglasses that are stylish, functional, and personalized.
- Bags and purses: Print custom bags and purses with unique designs and features. You can design bags that are stylish, functional, and personalized.
- Shoes: Print custom shoes with unique designs and features. You can design shoes that are stylish, comfortable, and personalized.
- Hats: Print custom hats with unique designs and features. You can design hats that are stylish, functional, and personalized.
Clothing:
- 3D printed fabrics: Print custom fabrics with unique designs and textures. You can design fabrics that are stylish, functional, and personalized.
- 3D printed clothing: Print custom clothing with unique designs and features. You can design clothing that is stylish, comfortable, and personalized.
- 3D printed accessories: Print custom accessories for your clothing, such as buttons, zippers, and embellishments. You can design accessories that are stylish, functional, and personalized.
- 3D printed shoes: Print custom shoes with unique designs and features. You can design shoes that are stylish, comfortable, and personalized.
- 3D printed hats: Print custom hats with unique designs and features. You can design hats that are stylish, functional, and personalized.
3D printing is revolutionizing the fashion industry. It allows you to create custom designs that are both stylish and innovative, and you can personalize your style with unique and creative pieces.
3D Printing for the Artist: Unleash Your Inner Boredom Buster
Are you an artist? 3D printing is a powerful tool for bringing your artistic visions to life. From intricate sculptures to functional prototypes, the possibilities are truly endless.
Sculptures and Art:
- Abstract sculptures: Print abstract sculptures to add a touch of modern art to your home or workspace. You can design them in different shapes and sizes, or find a pre-made design online.
- Figurative sculptures: Print figurative sculptures to create realistic representations of people, animals, or other objects. You can design them in different styles, or find a pre-made design online.
- 3D printed jewelry: Print custom jewelry to add a personal touch to your style. You can design rings, earrings, necklaces, and more.
- 3D printed toys: Print toys for children or adults. You can find designs for all kinds of toys, from simple puzzles to complex games.
- 3D printed models: Print models of buildings, cars, airplanes, or other objects. You can find designs for all kinds of models, from simple replicas to intricate details.
Prototypes and Gadgets:
- Functional prototypes: Print functional prototypes of your inventions or designs. You can test your ideas and make adjustments before you commit to a full-scale production.
- Custom tools: Print custom tools to fit your specific needs. You can design tools for woodworking, metalworking, or other crafts.
- Gadgets and gizmos: Print gadgets and gizmos to solve everyday problems or make your life easier. You can find designs for all kinds of gadgets, from phone stands to keychains.
- 3D printed electronics: Print 3D printed electronics to create unique and innovative devices. You can find designs for all kinds of electronics, from sensors to circuits.
- 3D printed robots: Print 3D printed robots to create your own robotic companions. You can find designs for all kinds of robots, from simple robots to complex machines.
3D printing is a powerful tool for artists of all levels. It allows you to bring your creative ideas to life and experiment with new designs and technologies.
3D Printing for the Kids: Boredom Busters for Little Makers
Kids love to play and create, and 3D printing is the perfect way to unleash their imaginations. From fun toys to educational tools, there’s a 3D-printed project for every child.
Toys and Games:
- Customizable figurines: Print figurines of their favorite characters, animals, or even themselves! You can find tons of free 3D models online, or design your own using 3D modeling software.
- Personalized keychains: Make a keychain with their initials, a funny quote, or a design that reflects their personality. It’s a great way to add a personal touch to their belongings.
- Unique jewelry: Print rings, earrings, necklaces, and more! You can use different materials to create different looks, from sleek and modern to whimsical and colorful.
- Miniature games: Print their own game pieces, terrain, and buildings for their favorite tabletop games. It’s a great way to customize their gaming experience and add a personal touch to their collection.
- Decorative ornaments: Print ornaments for their Christmas tree, or create unique decorations for their room. You can use different materials and finishes to create a variety of styles.
Educational Tools:
- Anatomical models: Print anatomical models of the human body, animals, or plants. It’s a fun and engaging way to learn about biology and anatomy.
- Math manipulatives: Print math manipulatives, such as cubes, spheres, and cones. It’s a fun and engaging way to learn about geometry and math concepts.
- Science experiments: Print tools for science experiments, such as test tubes, beakers, and funnels. It’s a fun and engaging way to learn about science and technology.
- Alphabet blocks: Print alphabet blocks to help kids learn their letters and sounds. You can design them in different shapes and colors, or find a pre-made design online.
- Number blocks: Print number blocks to help kids learn their numbers and counting. You can design them in different shapes and colors, or find a pre-made design online.
3D printing is a great way to engage kids in STEM learning. It’s a fun and creative way to learn about science, technology, engineering, and math.
3D Printing for the Pet: Spoil Your Furry Friend’s Boredom
Your furry friend deserves a little pampering too! 3D printing can help you create custom toys, accessories, and even furniture for your pet.
Toys:
- Customizable toys: Print toys that are shaped like their favorite animals, objects, or even themselves! You can find tons of free 3D models online, or design your own using 3D modeling software.
- Interactive toys: Print interactive toys that encourage play and engagement. You can find designs for toys that dispense treats, toys that move, and toys that make noise.
- Durable toys: Print toys that are made from durable materials that can withstand chewing and scratching. You can find designs for toys that are made from PLA, ABS, or other durable materials.
- Puzzle toys: Print puzzle toys that challenge your pet’s mind and keep them entertained. You can find designs for puzzle toys that dispense treats, puzzle toys that require problem-solving, and puzzle toys that are simply fun to play with.
- Treat dispensers: Print treat dispensers that make feeding time more fun and engaging. You can design dispensers that are shaped like their favorite animals, objects, or even themselves.
Accessories:
- Pet beds: Print custom pet beds that are comfortable, stylish, and personalized. You can design beds that are shaped like their favorite animals, objects, or even themselves.
- Food and water bowls: Print food and water bowls that are stylish, functional, and personalized. You can design bowls that are shaped like their favorite animals, objects, or even themselves.
- Collars and leashes: Print collars and leashes that are stylish, functional, and personalized. You can design collars and leashes that are made from durable materials and that feature unique designs.
- Pet carriers: Print custom pet carriers that are comfortable, safe, and stylish. You can design carriers that are shaped like their favorite animals, objects, or even themselves.
- Pet ramps: Print pet ramps to help your pet get on and off furniture or beds. You can design ramps that are safe, sturdy, and stylish.
3D printing is a great way to show your pet how much you care. You can create custom toys, accessories, and even furniture that are designed to make their life more comfortable, fun, and engaging.
3D Printing for the Future: What’s Next for the Bored?
3D printing is a technology that’s constantly evolving. As the technology continues to advance, we can expect to see even more innovative and exciting applications in the future.
Personalized Medicine:
- Custom prosthetics: 3D printing is already being used to create custom prosthetics that are more comfortable, functional, and affordable. In the future, we can expect to see even more advanced prosthetics that are designed to restore lost function and improve quality of life.
- Personalized drugs: 3D printing could be used to create personalized drugs that are tailored to the individual patient’s needs. This could lead to more effective treatments and fewer side effects.
- Organ printing: Scientists are working on using 3D printing to create organs for transplantation. This could revolutionize the way we treat organ failure and save countless lives.
Sustainable Solutions:
- 3D printed houses: 3D printing could be used to build affordable and sustainable houses. This could help address