80 Best 3D Printing Ideas for the Classroom

There’s something extra special about witnessing awe-inspired students as they eagerly watch their 3D printing creations take shape. With countless opportunities to design creative learning experiences and develop critical thinking skills, 3D printers are an innovative tech tool that can be used to teach just about any subject. But with so many possibilities available in the world of 3D printing, finding ideas that work with your educational objectives can seem overwhelming. Fear not—we’ve got you covered! Read on to discover 80 incredible 3D printing ideas you should try with your students.

3D Printing Ideas


1. Dragsters Powered by Balloons

Get your students engaged in science by hosting a balloon-powered dragster competition that teaches the principles of forces, motion, and Newton’s third law. This lesson encourages design thinking as students figure out the best size, shape, and weight for their car and wheels to travel the farthest in a straight line.

Learn more: Create a Balloon Powered Car

3d printed fraction blocks as an example of 3D Printing Ideas

2. Fraction Blocks

Say goodbye to the struggles of teaching fractions! These printable math manipulatives are a game-changer for helping students grasp and visualize fractions with ease. By using your own 3D printer, you can conveniently print out as many manipulatives as you need for the classroom.

Learn more: Fraction Blocks, Teachable Classroom Math Manipulative Model!

Small green and grey 3d printed catapult toys as an example of 3D printing ideas

3. Mini Catapult

If you’re looking for fun 3D printing ideas to tackle boredom when it strikes, consider creating a mini catapult. Once fully finished, give it a try and see what kind of mischief you can cause!

Learn more: Micro Catapult by Luke Tansell

Fidget cube blueprint as an example of 3D printing ideas

4. Infinite Fidget Cube

Fidget toys have gained popularity for providing comfort and aiding concentration for kids with sensory needs in the classroom. These 3D-printed fidget toys are a great choice for anyone looking for an affordable and effective solution to help students focus.

Learn more: Easy Infinite Cube Fidget

3d printed tree skull with tape dispenser inside as an example of 3D printing ideas

5. T-Rex Tape Dispenser

Why settle for an ordinary tape dispenser when you can make your own T-rex skull tape dispenser? We love 3D printing ideas that include fun and creative ways to incorporate dinosaurs into your lessons.

Learn more: T-Rex Tape Dispenser

Blue ocarina device as an example of 3D printing ideas

6. Ocarina

Attention music and band teachers! If you’re looking for a cost-effective alternative to expensive musical instruments, look no further than this 3D-printed ocarina. Rest assured that it’s not only affordable but also musically accurate—perfect for your classroom needs.

Learn more: 12 Hole Ocarina by RobSoundtrack

3d printed frog and organs for dissection activity as an example of 3D printing ideas

7. No-Mess Frog Dissection

Impress your students with this innovative 3D-printed frog dissection kit. Say goodbye to the mess and unpleasantness that comes with traditional dissection methods.

Learn more: The Frog Dissection Kit by MakerBot

Snowman fidget toy as an example of 3D printing ideas

8. Poseable Snowman Fidget

Why settle for a standard fidget spinner when you can have a poseable seasonal snowman fidget toy? This creative alternative is sure to entertain and calm your students.

Learn more: Articulated Snowman Fidget by 3D Printy

A blue model of Mount Everest is shown as an example of 3D printing ideas

9. Mount Everest

In geography class, 3D printing ideas can make topographical maps and other geographic features that involve students in creating mountains, oceans, plains, and more.

Learn more: Mount Everest by Jawensi

3d printed alarm clock as  an example of 3D printing ideas.

10. Retro Alarm Clock Stand

To add a vintage touch to your contemporary timepiece, simply gather some 3D-printed pieces, a Google Home Mini, and a few other components to assemble this stand.

Learn more: Retro Alarm Clock Stand by Yelt

Braille model in simulation as an example of 3D printing ideas

11. Braille Models

Introduce students to the written language of braille and 3D modeling concepts through 3D printing ideas. Use this technology to create custom braille models, from basic blocks to braille signage for different areas of your school.

Learn more: Creating Braille Blocks

Spinning top designs as an example of 3D printing ideas

12. Spinning Tops

Get students involved in both toy design and concepts of forces and motion by guiding them in creating spinning tops. After 3D-printing their designs, students can compete to see whose spinning top can spin the longest and then analyze the results to make improvements to their designs.

Learn more: Design and Print a Spinning Top

Book holder opening book as an example of 3D printing ideas

13. Book Holder

Make reading and holding a book with one hand a breeze with this nifty tool. Bookworms who enjoy reading for long periods will especially appreciate the convenience it provides.

Learn more: Reading Aid

A gray bottle opener is shown as an example of 3D printing ideas

14. Assistive Bottle Openers

Students use Tinkercad to create assistive devices like bottle openers for individuals with arthritis or a weak grip. Through the design process, they’ll also learn about simple machines and the principles of levers. This project is a practical way to apply engineering principles while addressing a real-world problem.

Learn more: Assistive Bottle Openers

Replica of the Colosseum is shown as an example of 3D printing ideas.

15. Historical Artifacts

Students in a classroom selected influential historical figures without memorials and designed monuments using 3D software and printers. This project allowed them to learn and teach about their chosen figure’s accomplishments in a unique way.

Learn more: 3D Printing in History Class

Reading bar on book as an example of 3D printing ideas

16. Reading Bar

This uncomplicated 3D-printed tool is a lifesaver for classroom settings with struggling readers or students with ADHD. The text isolator aids in helping students concentrate on one line of text at a time while reading, making it an effective tool for improving reading comprehension.

Learn more: Reading Bar (flat) by Makers Making Change

Several colored pencils are seen tilting in a circle in different directions. They are held together by a small circular holder at the bottom.

17. Hyperboloid Pencil Holder

This pencil holder design might surprise you with its ability to liven up an otherwise mundane object. The creator of this model promises that it’s as easy as “print, clip in pencils, admire …”!

Learn more: Hyperboloid Pencil Holder by MakeALot

3d printed marble maze as an example of 3D printing ideas

18. Marble Maze

Looking for an engaging activity to keep students of all ages entertained for hours? Check out this 3D-printed marble maze! It’s not only a fantastic gift idea from teachers but also a fun present for students to give to others in their lives.

Learn more: Snap-Together Marble Maze by Ericman314

Red dice as an example of 3D printing ideas

19. Dice

Instead of printing a standard cube, try printing dice. This simple shape is easy to print, and all students need to do is add the dots. Not only can they use it when playing board games, but they’ll also have the satisfaction of telling everyone they made it themselves. Pretty cool, right?

Learn more: Setting Up Your 3D Printed Dice Files for Printing

Parallel Line Drawer. 5 markers are seen being held together by a white holder as an example of 3D printing ideas
Miniature paint palette as an example of 3D printing ideas

21. Paint Palette

Check out these amazing 3D-printed palettes that fit snugly on your thumb! They’re perfect for wiping down your brush and mixing small amounts of color. Your students are bound to adore them!

Learn more: Petite Paint Palette by MerganMcFergan

Different colored 3d printed cats as an example of 3D printing ideas

22. Cali Cat

The Cali Cat is a popular 3D print option because of its fun and cute nature, often used for calibration and as a benchmark model for beginners. It is also kept as a souvenir by many students as they learn 3D printing ideas.

Learn more: Cali Cat – The Calibration Cat by Dezign

Checklist stencil on journal

23. Checklist Stencil

Let’s tackle planning your day with ease. This printable planner stencil will simplify your to-do list and help you stay on track. With a quick glance, you can confirm which tasks haven’t been checked off yet and tackle them before they pile up.

Learn more: List Stencil by Kai Nightmode

Simulated whistle blueprint
Autodesk Instructables

24. Whistles

Before designing a whistle, teach students about sound waves, frequency, and amplitude. This project involves an iterative process where students can analyze and evaluate their creations to improve on their designs.

Learn more: Make a Whistle With Tinkercad by Neotekna 

3d printed key holder

25. Key Holder

Say no to the hassle of carrying around keys! Your students will appreciate the opportunity to create a personalized key holder to keep their house keys, car keys, and any other keys organized and easily accessible.

Learn more: Proteus Key Holder by ProteanMan

3d printed block of cheese wedged in door

26. Doorstop

3D-printed doorstops are typically triangular in shape, but they serve an essential function in preventing doors from slamming due to drafts. For a more intricate design, you can experiment with engraving a word onto the stopper using 3D printing software. The possibilities are endless!

Learn more: Cheeze Door-Stop by Terenceang

EXPO marker holder

27. Whiteboard Marker Holder

Say goodbye to a cluttered whiteboard area with this convenient marker holder. Capable of holding four Expo markers along with a brush and spray, this organizer is the perfect addition to your classroom setup.

Learn more: Expo Dry-Erase Marker Set Holder by Pdogman

3d printed coasters

28. Drink Coaster

Crafting your own drink coaster is a simple process that even students can accomplish. With a little practice, anyone can become a pro at designing custom drink coasters.

Learn more: The Ultimate Hexagon Coaster Set by SRunderkamp

Simulated pen case blueprint

29. Pen Cases

Teach students to create unique pen cases using intersecting shapes like pebbles in Tinkercad. In this lesson, they’ll also learn about mathematical linear sequences to determine the number of pebbles needed for a Bic Cristal biro cartridge to fit perfectly in the center.

Learn more: Design a 3D Printable Pen – Lesson Plan

3d printed USB cable holder

30. USB Cable Holder

In today’s world, USB cables reign supreme. If you’re looking to save time and energy by avoiding the tedious task of untangling cords later, this printable organizer is just what you need to keep your space clutter-free.

Learn more: USB Cable Holder by Ajitam

3d printed white and brown rings

31. Custom Jewelry

For students who are new to 3D printing ideas, a low poly ring is an excellent starting point. These rings are small and require minimal material, making them quick to print. Despite their simplicity, the design is still attractive and eye-catching.

Learn more: Low-Poly Ring by Levenement71

Model of a Human skull

32. Human Organs to Scale

My students were deeply affected by this activity—the experience of holding a heart or skull in their own hands really made them contemplate and reflect.

Learn more: Human Skull by MakerBot

Cup of bubbles with 3d printed wand

33. Customizable Bubble Wands

Bring some extra fun to your kindergarten or primary grade class with this delightful custom bubble wand project. Bubbles are always a hit among kids, and this personalized wand will make for an excellent souvenir that children can take home and enjoy over and over again.

Learn more: Bubble Wand With Nametag by Preealpha

3d printed Earth interior model

34. Paintable Earth Model

Get your hands on a file for a paintable 3D-printed model of the Earth’s cutaway. This model displays the crust, mantle, outer core, and inner core in intricate detail.

Learn more: Cutaway Earth Model by Kseluga

3d printed planter

35. Hanging Planter

Add a touch of beauty to your classroom with this lovely hanging planter. It’s perfect for students to take home and enjoy or even to customize as a thoughtful Mother’s Day gift.

Learn more: Hanging Vase by ZSAviation

Egyptian cartouche
Create Education

36. Egyptian Cartouche

Have students design their own cartouches as a fun way to learn about Egyptian hieroglyphics and monuments. Using a hieroglyphic alphabet, they can personalize their obelisk model by adding their name.

Learn more: Tinkercad Egyptian Cartouche Project

Bike phone holder

37. Phone Holder for Your Bike

This hands-free design allows you to access GPS maps with ease and receive vocal assistance to guide you along the way. Let’s make learning and exploring stress-free! The design can even easily be modified to fit any type of phone you have.

Learn more: Bicycle Phone Holder by Mowi

Blue stamps with smiley and frowny faces are shown.

38. Stamps

The options for 3D-printed stamps are endless, giving students the freedom to get as creative as they want. With numerous stamp forms to choose from and the ability to add letters, shapes, inspiring words, and other designs, there’s no limit to what can go on the actual stamp. Let your imagination run wild!

Learn more: Stamps by lkg218

3d printed toothpick holder with little figure holding up toothpick

39. Toothpick Dispenser

Your students are sure to adore this comical and charming toothpick dispenser. And it’s useful too!

Learn more: Funny Toothpick Dispenser by Shusy

Toothbrush holder shaped like a tooth holding two toothbrushes

40. Toothbrush Holder

Looking for a fun way to encourage better dental hygiene habits in your students? Look no further than these 3D-printed toothbrush holders! Shaped like a literal tooth, they’re sure to be a hit and make brushing just a bit more enjoyable.

Learn more: A Cup for Toothbrush and Toothpaste by ericman93

3d printed fiddle instrument
OpenFab PDX

41. Classroom Fiddles

Interested in 3D printing ideas for a classroom instrument? OpenFab PDX offers several options for you to choose from, giving you the opportunity to print your very own four-string fiddle.

Learn more: Modular Fiddle Instructions

Red yoyo with Spiderman face

42. A Yo-Yo

To give it a personalized touch, consider adding cool engravings to the sides of this yo-yo. Once complete, all you need is a good string and it’s ready to use.

Learn more: Spiderman Yoyo by lolo_aguirre

3d printed hurricane from satellite view

43. Hurricane Satellite View

Visualize the incredible size of a hurricane with a 3D-printed satellite view model. This model showcases the eye and swirling clouds in stunning detail, helping students better understand the phenomenon. Plus, it includes outlines of land to provide a sense of scale.

Learn more: Hurricane Katrina by Conorokane

Gaming controller clips

44. Gaming Controller Clips

This sleek controller holder is not only practical, but it’s a smart solution for those who need to maximize space in their living area. Whether you’re setting up your PS5 or Xbox Series X, this accessory adds a stylish touch.

Learn more: PS5 / Xbox Series X Controller Hanger by sa_shadow

3d printed colored wrenches
Autodesk Instructables
3d printed photo charger holder

46. Smartphone Stand

Take a look at this adorable turtle and his animal friends, which double as both a convenient smartphone stand and key chain. With this handy gadget, your students can keep their phone upright while on the go and always have their cute companion with them.

Learn more: Tortoise Keychain/Smartphone Stand by Sonia Verdu

3d printed red cookie cutters

47. Cookie Cutters

3D printing offers the opportunity to create cookie cutters in a variety of shapes. Because they are hollow, students can learn to 3D-print with minimal filament usage.

Learn more: 3D Christmas Cookie Cutters by asbeg

48. Bridge Building

Encourage students to explore the world of bridges by designing their own or creating 3D-printed models. From suspension and beam to arch, cantilever, truss, and cable-stayed, there are many types of bridges to consider. This project can be linked to specific cities and rivers where these bridges can be found.

Different gold medals on necklaces

49. Classroom Medals

Honor your students’ accomplishments with these personalized gold medals. These medals are an ideal award for recognizing outstanding achievements throughout the school year, such as Student of the Month or various successes.

Learn more: Gold Medal Name Plate/Olympic Medal by Murdoc

Purple animal bookmark in book

50. Animal Bookmarks

Looking for a cute and functional bookmark to help your students keep track of their reading in class? These adorable panda bookmarks are the perfect addition to any novel study or reading activity.

Learn more: Panda Bookmark by Ludmi_R

3d printed white assistive devices
3d printed black clock with yellow letters

52. Teaching Time

With the ubiquity of digital clocks these days, even my own students struggle to read analog clocks. Luckily, this 3D-printed analog clock model offers a solution for kids learning to tell time on analog clocks.

Learn more: Teaching Clock (Tell the Time) by phi.gl

Cable organizer holding three cables

53. Cable Organizer and Holder

Students can no longer use the excuse of uncharged technology in class, thanks to this clever desktop cable organizer. Not only does it ensure that cords remain tangle-free and organized, but it can be easily attached to desks at home or in the classroom, preventing cords from getting lost in the abyss.

Learn more: 6-Cable Organizer and Holder

3d printed simulated bar chart

54. 3D Bar Charts

Make presenting demographic information more exciting and readable with 3D bar charts. Whether it’s population, life expectancy, or other data, these charts provide a unique way to teach students to display information. Consider having students use demographic or survey information from your school to create customized 3D bar charts that showcase school-specific data.

Learn more: Tactile Graphs for Early Grades by Nicholas Builds

Desk mounted black headphones holder

55. Desk-Mounted Headphone Holder

As more students incorporate technology into their classroom studies, it’s now commonplace to see headphones at every desk. Keep your classroom organized with this practical desk-mounted headphone holder, which provides a designated spot for students to store their headphones conveniently.

Learn more: Desk Mount Headphone Holder / Mount / Clamp

Orange and black earbuds holder

56. Earbud Holder

Tired of constantly misplacing or untangling your earphones? This practical 3D-printed earbud holder is a handy tool that keeps your earphones organized and tangle-free.

Learn more: Earbud Holder by Sneakypoo

Wall phone holder

57. Wall Outlet Shelf

Your students will definitely appreciate being able to create wall outlet shelves. These shelves provide a safe and stable spot for their phones to rest while charging.

Learn more: Wall Outlet Shelf by WallTosh

Snack bag clip shaped like a dinosaur

58. Snack Bag Clip Rex

Bag clips are a must-have in any classroom, especially with students who are always hungry. With these convenient clips, students can easily seal their snacks and avoid spills or messes in their backpacks or on the floor.

Learn more: Bag Clip Rex by Tquacken

3d printed numbers on blocks

59. Interlocking Equation Blocks

Enhance your students’ math skills with these versatile math manipulatives that can be used to create equations. These unique blocks are perfect for honing addition, subtraction, multiplication, and division skills.

Learn more: Educational Interlocking Number Blocks Toy

3d printed math fact spinner

60. Math Fact Spinner

These 3D-printed spinners can be customized to include different mathematical operations like addition, subtraction, multiplication, and division. As students spin the spinner, they can work on solving the math problems that it lands on.

Learn more: 3D Printable Math Spinner Toy by Paulo Ricardo Blank

Blue bag holder on desk

61. Desk or Table Bag Holder

Here’s another straightforward yet highly practical classroom design. These bag hooks are perfect for keeping student backpacks off the floor and in order. Plus, they can come in handy for hanging purses or bags at restaurants or other public places.

Learn more: Desk Bag Hook by PieSupplies

3d printed green sound amplifier on phone

62. Sound-Amplifying Monster

Looking for a quick and easy way to amplify the sound from your smartphone? Meet this little monster! This handy gadget utilizes simple audio engineering to boost the volume of your device. Perfect for when you or your students need to turn up the volume.

Learn more: Groovi Monster by 3DShook

3d printed water cycle

63. 3D Water Cycle

A 3D printer can be used to create an educational and engaging model of the water cycle, showcasing each step of the process in intricate detail. This interactive tool helps students understand the importance of sustainability and water conservation, making science education more exciting and hands-on.

Learn more: 3D Water Cycle by Mr. Martens

3d printed red chopstick trainer

64. Chopstick Trainer

Home economics and culinary teachers, rejoice! This tool is a dream come true for teaching students how to use chopsticks with ease.

Learn more: Chopstick Trainer by Zydac

3d printed measuring cubes

65. Measuring Cube

3D printing ideas that serve practical purposes are some of our favorites! Take your cooking skills to the next level with this incredible measuring cube that can measure various increments. The best part? You won’t have to wash multiple small spoons anymore.

Learn more: Measuring Cubes by Jevus

3d printed matching game

66. Find the Match

Add a creative touch to classroom learning with this engaging matching game, made possible by 3D printing ideas. By using the provided templates, you can customize matching quizzes that are both fun and educational for your students to complete.

Learn more: Find Pairs by Jobla

A 3D printed blue model of ancient ruins is shown.

67. Ancient Ruins

Create your own replicas of ancient wonders like the Pyramids of Giza, Chichen Itza, the Colosseum in Rome, the Taj Mahal, and the Statue of Liberty with 3D printing. The possibilities are endless!

Learn more: Ancient Ruins

3d printed blue bathroom pass

68. Custom Classroom Passes

Stay organized with these handy 3D-printed passes for tracking restroom breaks, library visits, and trips to the hall.

Learn more: Pernille Ripp’s Classroom Passes

3d printed colored cell model

69. Multicolor Cell Model

Introducing a multicolor 3D model of a cell is an excellent way to make science come alive for students who are studying the different parts of a cell. Not only does it engage their curiosity and imagination, but it also allows them to learn about 3D printing in the process.

Learn more: Multi-Color Cell Model by Mosaic Manufacturing

3d printed flexible chrome dinosaur

70. Flexible Chrome T-Rex

We all love the T-Rex game on Chrome that we can play when the Wi-Fi is out. Now, imagine having your own flexible version of this lovable character that can be used as a fidget or as a fun toy.

Learn more: Flexi Chrome T-Rex by JamesThePrinter

A hand is seen holding a small three compartment white organizer with screws and other small items in it.

71. Small Parts Organizer

This pint-size organizer can help keep even the tiniest of screws and other objects in their place. It could even be used for those pesky little LEGO parts like Minifigure hands!

Learn more: Must-Have Small Parts Organizer

A yellow bookend holds up several books.

72. Bookends

We love books here at We Are Teachers so you can bet this is one of our favorite 3D printing ideas. Keep all those beloved books neat and tidy on your shelves with this simple but effective bookend!

Learn more: 3D Printing Optimized Bookend

A yellow mockup of a keychain says I Love 3D Printing

73. A Sweet Key Chain

This simple project would make a great gift for anyone that loves 3D printing. You can keep it for yourself, too, since if you’re making this key chain, odds are you’re a big 3D printing fan!

Learn more: 3D Printing Keychain by Matt_2024

A blue bracelet says 3D Printing on it in this example of 3D printing ideas.

74. 3D Printed Bracelet

This is another sweet idea for a gift. If you run a class or a camp on 3D printing, you could even give this out to all of the enrollees. Or keep it for yourself and wear it with pride!

Learn more: Bracelet “3d Printing” by Trayectoria Maker

A small lamp is shown with a 3D printed white lampshade.

75. A Lampshade

Let’s shine a little light on this adorable lampshade! This project will take approximately four hours to complete, and we think the time spent is well worth it.

Learn more: 3D Printed Lampshade by Jeroen3

Five 3D printed turtles are shown with blue, yellow, and red shells.

76. Squishy Turtle Pal

Are these not the most adorable little turtle pals? We especially love that the little legs bounce and the heads can disappear into the shell. Pick your favorite style and get creating a new desk buddy or good-luck charm.

Learn more: Squishy Turtle by jakejake

Several spools are shown on different plastic stands.

77. Spool Holder

The designer of this spool holder explains that while three different sizes are available, they aren’t necessary. There is an option for a universal spool holder that just won’t look as polished, though it will fit nearly any spool.

Learn more: Universal Spool Holder by jjpowelly

A white shower head is shown with water coming out in this example of 3D printing ideas.

78. Shower Head

This shower head is intended to fit onto a standard 1/2-inch threaded shower pipe. We especially love 3D printing ideas that have a practical purpose, and this one does just that. The best part? You get to see your handiwork every day while getting clean!

Learn more: Shower Head MK1 by Mr_MegaTronic

A green flower lamp is shown.

79. Blossoming Lamp

This unique project uses captured joints where moving parts are printed together to eliminate the need for assembly. The 14 interlocking pieces work to open and close the flowers around the lamp, adding or reducing the light emitted. Everyone will certainly want to know where you got this lamp!

Learn more: Blossoming Lamp by emmett

Three chess pieces are shown in clear, green, and red.

If you’re on the hunt for 3D printing ideas that are tailored to your grade level or subject matter, be sure to explore the education section on MyMiniFactory. You’ll find a plethora of project ideas and files there that are specifically designed for educators like you.

Looking for more 3D printing ideas? Try these Amazing Ways Teachers Can Use 3D Printing to Teach Math and Science!

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