Embedded Files
February 18
What is 3D Printing?
Think of 3D printing like this:
Instead of carving something out of a block (like wood or stone), a 3D printer builds an object by stacking very thin layers of material on top of each other—one layer at a time—until the object is complete.
A simple way to picture it
Imagine using a hot glue gun:
You squeeze out a thin line of hot glue
You move your hand to trace a shape
You go over the same shape again and again
Each pass adds a little more height
A 3D printer works the same way, except:
The glue is melted plastic
The movement is controlled by a computer
Each layer is perfectly placed
Slowly, those layers stack up and turn into a solid object.
How it works (plain language)
Design it – You create a digital model on a computer (or download one someone else made).
Slice it – Software breaks the model into hundreds or thousands of thin layers.
Print it – The printer follows those instructions and lays down melted plastic (or another material) layer by layer.
Hold it – When it’s done, you have a real, physical object you can touch and use.
Why do people love it
You can make things that don’t exist yet
You can fix broken things by printing replacement parts
You can customize designs exactly how you want
It turns ideas into real objects—fast
One-sentence version
3D printing is a way to turn a digital idea into a real object by building it layer by layer using a machine.
Tinkercad
Student instructions
Class code:
Go to https://www.tinkercad.com/joinclass
Enter the class code: JDH96UXDS
Enter your Login code assigned by your teacher.
Activity 1: View It
When designing in 3D, it helps to see your shapes from all sides. The ViewCube lets you change your view.
Activity 2: Design the Dice
Practice the basic skills you've learned and create a die from scratch.
You can customize it with different numbers or letters.
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