Learn 3D Printing One Lesson at a Time
Beginner lessons on 3D printers, slicers, materials and troubleshooting, in the order you'll need them.
3D printing looks like magic until your first print turns into spaghetti. 3D Print School teaches the basics in short lessons, in the order you’ll need them: the printer, the slicer, the materials, then fixing what goes wrong.
What you’ll learn
Printers
How filament and resin machines work, and the parts that matter most.
Slicers
Turning a 3D model into printer instructions: layers, walls, infill, supports.
Materials
PLA, PETG, TPU and resin. Which to start with and why.
Troubleshooting
Warping, stringing, poor adhesion and layer shifts, diagnosed calmly.
The full course outline is on the lessons page. Work through it in order or jump to what you need.
How the school works
Short lessons
One idea each. Read it in a few minutes, then go try it.
Hands on
Every lesson ends with something to print or a setting to change.
No jargon walls
Terms are explained the first time they appear.
Beginner questions
- Should I buy an FDM or a resin printer?
- Why won’t my first layer stick?
- Should I print with PLA or PETG?
Homework one
Your first print, step by step. From unboxing to a finished test model in an afternoon.