3D printing might look complicated—but getting started is easier than most people think.

In this guide, you’ll learn exactly how 3D printing works, what you need to start, and how to go from zero to your first successful print.

No technical background required.

What Is 3D Printing?

3D printing is a process of creating physical objects layer by layer from a digital file.

Instead of cutting or molding materials, a printer builds the object step by step using materials like plastic, resin, or metal.

How 3D Printing Works (Simple Explanation)

Here’s the process broken down into simple steps:

• Create or download a 3D model (STL file)
• Import it into slicing software
• Convert it into printer instructions (G-code)
• Print the object layer by layer

That’s it.

What You Need to Start 3D Printing

1. A 3D Printer

Entry-level printers are now affordable and reliable.

Most beginners start with FDM printers.

2. Material (Filament)

The most common material is PLA.

It’s easy to use and great for beginners.

3. Slicing Software

Software like Cura or PrusaSlicer converts your model into printable instructions.

4. 3D Models

You can:

• Design your own
• Or download ready-made files online

How to Make Your First 3D Print

Follow these steps:

• Download a simple STL file
• Open it in slicing software
• Use default settings
• Start the print
• Wait and observe

Start simple—don’t aim for perfection on the first try.

Common Beginner Mistakes

• Incorrect bed leveling
• Using wrong temperature settings
• Printing too fast
• Choosing complex models too early

Most issues are normal—learning comes from trial and error.

What Should You Print First?

Start with simple and useful objects:

• Phone stand
• Cable holder
• Small container
• Keychain

These help you understand how printing works without frustration.

Can You Turn 3D Printing Into a Business?

Yes—and many people already do.

Once you understand the basics, you can start selling:

• Custom products
• Functional items
• Personalized designs

You don’t need to scale immediately. Start small and grow.

Start Selling Your 3D Prints

If you already have a 3D printer—or plan to get one—you can turn it into a source of income.

You don’t need a website or complex setup.

Become a Seller on Prinvent

Want to understand how selling works step by step?

Read: What Is a 3D Printing Marketplace? How Prinvent Connects Makers and Buyers

Frequently Asked Questions

Is 3D printing hard to learn?
No. Beginners can learn the basics in a few days.

How much does a 3D printer cost?
Entry-level printers are relatively affordable and widely available.

What is the easiest material to use?
PLA is the most beginner-friendly material.

Can I start a business with 3D printing?
Yes. Many people start small and scale over time.