STEM STL Files for 3D Printing: 9 Ideas to Try

Having trouble getting your kids interested in and involved with STEM concepts? The complicated parts of science, technology, engineering, and maths are often hard to understand when taught the old-fashioned way. Without hands-on and engaging experiences, it might be hard for students to understand abstract ideas. ​

This lack of participation can make students less interested and less able to understand important subjects, which could hurt their academic progress and future chances.

Teachers can give kids hands-on, interactive learning experiences by using 3D-printed models in the classroom. We will look at a carefully chosen group of 3D-printed STEM models that are meant to make learning more fun in the parts that follow.

1. Fraction Learning Kit

It can be hard to understand fractions, but the Fraction Learning Kit makes it easier by letting you touch the numbers. This 3D-printed set has different pie-slice models that show different fractional values. Students can use these models to physically change and compare parts of a whole. This kind of contact helps people understand and remember fractional ideas. ​

With its long-lasting construction, the kit's parts can withstand heavy use in the classroom. The models are also the right size so that students of all ages can easily handle them. This resource is very helpful for teachers who want to give students a real-life maths experience. ​

Download file: Thingiverse.

2. Wind Turbine Models

Wind turbine models let you try out ideas for renewable energy in the real world. Scientists at AtomKemp made the "Wind Turbine" to help kids learn about how wind power works. This model makes it easier to understand how wind energy is turned into electricity by giving you a chance to learn by doing.

The "Mini-Wind Turbine" by Larsonmattr is another interesting model. It has three blades. When hooked up to a small engine, it can make up to 1.4 volts when the wind is blowing hard. These models are great for showing how aerodynamics and energy conversion work in the classroom because they let students play around with blade shape, wind speed, and energy output. ​

Download file: Thingiverse.

3. Customizable Convex Polyhedra

There are more than 100 different polyhedral forms in this large collection. These include Platonic, Archimedean, and Johnson solids. Each model is customizable, allowing educators and students to explore the properties of various polyhedra in a hands-on way. This flexibility helps a deeper understanding of geometric relationships and symmetry. ​

The models are made for easy 3D printing and assembly, making them accessible for classroom use. By constructing these solids, students can better understand concepts such as faces, edges, and vertices, enhancing their spatial reasoning skills. This website has everything you need to learn about advanced geometric ideas. ​

Download file: Thingiverse.

4. Geometry Connectors

The Geometry Connectors set is a unique way to make geometric forms come to life. Students can make different polyhedra, like icosahedrons, tetrahedrons, and cubes, by using these 3D-printed connections with quarter-inch dowel rods. This hands-on method helps you see and understand complicated geometric shapes, which makes abstract ideas easier to understand. ​

Carefully thought out, each link makes sure that angles and connections are exact, which makes it easier to put together geometric shapes correctly. There is no extra cost or trouble with setting up because the connectors work with normal dowel rods. You can really use this model in the classroom to help teach students about physical relationships and basic geometry. ​

Download file: Thingiverse.

5. Stereographic Projection Model

The Stereographic Projection Model is a 3D-printed model that shows how a sphere can be projected onto a flat surface. This idea is very important in many areas, like complex analysis and cartography. By giving kids a real model, you can help them see and understand how stereographic projection works. ​

From a three-dimensional sphere to a two-dimensional plane, the model correctly shows the change. This helps you understand how projection keeps angles and circles the same, which can be hard to grasp if you only use math and diagrams to teach it. For advanced maths classes, the model is a useful tool for training. ​

Download file: Thingiverse.

6. Archimedes Trammel

Archimedes' Trammel, sometimes called a "do-nothing machine," is a machine that moves in a circular path. Within this 3D-printed model, there is a handle that moves along a set of tracks, showing the geometric ideas behind how ellipses form. You can learn about the connection between straight lines and curved paths in a fun way. ​

Designed to work smoothly, the model's parts fit together without any problems. Additionally, it's a great tool for teaching geometry and kinematics ideas because it shows how mathematical curves can be made mechanically. ​

Download file: Thingiverse.

7. Rocket Car Race Chassis and Wheels

You can use this 3D-printed model to make the chassis and wheels for a rocket-powered car, which is a real-life example of Newton's rules of motion. Students can see the effects of thrust, mass, and acceleration directly by building and testing these cars. It's a fun way to make physics ideas come alive. ​

The design makes it easy to put together and lasts a long time, so the cars can handle many test runs. Students can change variables and see how their performance changes as a result of the changes. This project pushes students to try new things and think critically. It makes physics and engineering lessons more interesting. ​

Download file: Thingiverse

8. Math Gears

 

The goal of the Math Gears set is to show how gear ratios and mechanical advantage work. You can put together this 3D-printed model of different interlocking gears to see how different sizes and shapes change the speed and direction of spinning. This kind of hands-on learning helps people understand mechanical processes and the math behind them better. ​

It says on each gear how many teeth it has, so students can figure out and guess what will happen when they order the gears in different ways. In physics and engineering lessons, this interactive model is great for showing ideas like torque, speed, and mechanical efficiency. ​

Download file: thingiverse

9. Modified Howe Bridge

The 3D-printed Modified Howe Bridge model is a traditional truss bridge design. Students can use this model to learn about structural engineering concepts like load distribution, tension, and compression. By putting the bridge together, students can see how the different parts work together to make the structure strong and stable. ​

It is easy to print and put together the model, which makes it good for classroom demonstrations and hands-on activities. Additionally, it is a useful way to teach students about civil engineering ideas and how physics can be used in real-life structures. ​

Download file: Thingiverse.

Best 3D Modeling Software in Education

As students progress in their educational careers, it becomes vital to equip them with the essential skills of 3D printing. There are many 3D modeling software available for making educational 3D models, but we recommend using SelfCAD. It helps students acquire career-ready skills. One key 3D modeling feature of the program is allowing students to create both simple and complex designs with ease. 

A standout aspect of SelfCAD is its educational portal, which is designed to cater to the specific requirements of instructors. The platform offers a variety of tutorials and materials to help teachers and students successfully include 3D modeling in their lessons. Once students begin using SelfCAD in elementary school, they can continue using the same software as they progress to middle school and throughout their high school years. 3D technology program of the software is a good starting point for introducing 3D design to the classroom.

Conclusion

Adding 3D printing to STEM classes makes them more interesting and real. Teachers can give kids hands-on, interactive learning experiences by using 3D-printed models in the classroom. From making geometric shapes to learning about how machines work, 3D printing lets you make personalised learning tools that help students understand and get excited about STEM topics. ​

In our blog, we looked at a carefully chosen group of 3D-printed STEM models that are meant to make learning more fun. It comes with a full description of each model that highlights its features, benefits, and technical specs to help teachers choose the best tools for their classes.