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Learn to program and edit G Code with no previous knowledge.

Know what every line of G-Code is doing before you press cycle start.

$245 $97

Yes, I want to program G-Code like a pro

14-day money-back guarantee. Instant lifetime access.

Course preview

Is this you?

You are standing in front of a CNC machine, staring at a program, not fully sure what every line is doing.

You know how to press cycle start. You can tweak a few numbers. You can usually get a part out.

But deep down, you do not really understand what the code is telling the machine.

Maybe you were taught to copy the last job. Maybe someone showed you which buttons to press. Maybe you were handed a proven program and told not to touch it.

So you run parts on faith. You hope the offsets are right. You hope the tool moves where you think it will. You hope nothing crashes when you press start.

That uncertainty leads to:

  • Second guessing every edit you make
  • Slow setups because you do not trust your changes
  • Fear of touching G-code in case you break something
  • Feeling stuck while others move on to better jobs

I know that feeling well.

When I first started, I could run machines, but I did not understand them. The code looked like a foreign language, and no one had time to explain what it really meant. I learned through mistakes, wasted parts, and long nights wondering why things went wrong.

The problem was never ability. The problem was never intelligence. No one had ever given me a proper foundation. That is exactly what this course gives you.

If you are still guessing at the control, you are not alone

Maybe you have started learning G-code. Maybe you are using CAD/CAM and tweaking programs on the machine.

Maybe you are running parts every day but still feel unsure when you make changes. Without a solid foundation, everything feels harder than it should.

Programs take longer to prove out. Edits feel risky. Sometimes a small change causes a big problem and you do not know why.

So you copy old code. You avoid touching certain lines. You hope the machine does what you expect.

That slowly eats away at your confidence, even when you are doing most things right.

When you understand how G-code, coordinates, tool offsets, speeds, feeds and machine behaviour all fit together, things finally make sense. You stop guessing. You start predicting what the machine will do. You make changes with purpose, not fear. That is what a real foundation feels like at the control.

What you will get from the Foundation Course

This is not about memorising codes. It is about understanding what your CNC is doing and feeling confident every time you press cycle start. You will learn how to:

  • Read and write G-code with confidence
  • Understand coordinates, offsets and tool movement
  • Know why a tool goes where it goes
  • Make safe, predictable edits to programs
  • Stop relying on copied code and guesswork
  • Understand how feeds, speeds and motion all work together
  • Follow what the control is really being told
  • Spot problems in a program before they become crashes
  • You will work through real shop floor examples, not textbook theory.
  • Everything is taught in plain language so you can apply it straight away at the machine.
  • By the end, you will not just be running programs. You will understand them.
  • Build the foundation for professional-level programming
  • That foundation stays with you for every job, every setup, and every machine you ever run.
  • Lifetime access, invest once, keep forever

What Other Machinists Are Saying

Real feedback from learners who have taken the course and seen results.

Every class I have taken by Marc has been far above my expectations.

John

Simple enough way if one knows the formulas for both metric and imperial which was very illustrated by Marc.

Cornelisse

The course presents good examples that help the learner understand how to calculate the cutting speed using metric and imperial values. Maths can be scary and I found this course very easy to follow and understand.

Collins

The instructor is extremely knowledgeable in all aspects of machining and programming.

Mark

Very good course, very to the point. Gives you exactly what you need and nothing more, which is what I was looking for.

Sebin

Gives great explanation of the formulas and demonstrations of their use. The flow of the subject is excellent. Every time I had a question, it was the next subject.

Robert

Here are the lessons and bonuses that you will get when you purchase this course.

Foundation to G-Code Course

Sick of running programs you do not fully trust? Most people are taught how to push buttons, not how the code really works. That leaves you guessing, copying old jobs, and hoping nothing goes wrong. In the Foundation Course, you learn how CNC machines think.

You will understand how to quickly write G-Code to make basic parts so you can see exactly what will happen before you press cycle start. Inside the course you will learn:

  • How G-code tells the machine where to move
  • How coordinates and offsets control every toolpath
  • How to make safe, confident edits to any program
  • How to spot problems in code before they become crashes

This is the base that every lathe, mill, CAM system and setup builds on. Once you have this foundation, everything else becomes easier.

$147 Value - Yours $97

foundation graphic

BONUS: Reference handouts you will actually use

The Foundation Course includes clear, downloadable handouts you can keep on your phone for quick, reliable reference.

You get:

  • Easy to read feeds and speeds tables
  • Every line of code you learn with drawings
  • Plain language explanations of what the G-Codes mean

$49 Value - Your free

Milling training graphic

BONUS: A real exam with real feedback

Watching lessons is not enough. You only know you understand something when you can use it on a real problem. At the end of the Foundation Course, you get a proper exam based on real shop floor part. You submit your code and I personally review and give you direct feedback.

  • Program a part from start to finish
  • Sumbit your code for review
  • Marc will assess your work and give feedback on any improvments

$49 Bonus - Yours Free

Bonus practice module
EVERYTHING YOU GET INSIDE THE FOUNDATION COURSE FOR $97

Practical, shop-floor training that gives you the confidence to understand your CNC, edit code safely, and run real jobs without guesswork.

CNC Foundation to G-Code Course
$147

Included

  • Learn basic G-Code and M-Codes
  • Coordinates, layout and work zero explained clearly
  • Read and follow any CNC program with confidence
BONUS: Lesson Handouts
$49

Yours Free

  • Easy to read feeds and speeds tables
  • Every line of code you learn with drawings
  • Plain language explanations of how to program with G-Code
BONUS: Personal Exam and Feedback
$49

Yours Free

  • Prove you understand it and get guidance from someone who does.
  • Personally reviewed by Marc
  • Clear feedback on what to fix and improve
Total Value: $245

Todays Price: Just $97

The CNC Foundation Every Machinist Needs

The fastest way to stop guessing and start understanding what your machine is really doing.

This Foundation Course teaches you how CNC machines think. You will learn how G-code, coordinates, tool offsets, and motion all fit together so you can read, edit, and run programs with confidence. Everything is shown with real shop-floor examples in plain language.

$245 $97
YES, I WANT TO BUILD MY CNC FOUNDATION

Instant access. Learn at your own pace. No fluff, just skills you use at the machine.

14-day money-back guarantee. If this course does not improve your confidence and understanding at the control, you get your money back. No stress, no hassle.

Course mockup
Frequently asked questions
Have a question? I may have been asked it before.

If your question is not answered in this FAQ section, feel free to message me on my contact page.

Who is GCodeTutor?
GCodeTutor is a CNC Machine tools programming engineer called Marc who has been programming CNC machines for the aerospace industry for over 35 years.
How long is this course?
This course is around 60 minutes long broken down into bite-size videos between 4 and 18 minutes each.
Is it difficult to understand?
Machine shop maths can be a complex subject. This course is designed for beginners with no previous knowledge and is easy to understand and follow.
Is payment secure?
My courses are hosted on a platform called Teachable, the world famous course providers.

They take care of your transaction with their secure payment processors that support several different payment methods.

I want my money back!
Thats not a problem. I offers a 14-day money back guarantee on all courses and will refund you without question.