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G-code basics archive

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503 posts · page 3 of 42.

Guides

How to Learn CNC Programming in Prison

G-code is a small, fixed vocabulary you can master with printed references and active recall, even with limited internet. Here is a realistic path.

Lawrence Arya··10 min
Guides

How to Manually Edit Mastercam G-code Safely

You can hand-edit posted Mastercam code in Code Expert or a text editor, but the durable fix is the post or toolpath. Edit only the value, keep the block, re-verify.

Lawrence Arya··10 min
Guides

How to Read a G-code File in Notepad++

Open the .nc file in Notepad++, turn on line numbers and a monospace font, then add a User Defined Language so G, M, and coordinate words get color.

Lawrence Arya··10 min
Guides

How to Read Fusion 360 Post Processor G-code

Read Fusion 360 output in blocks: header and safety line, tool change, spindle and coolant, rapid to start, cutting moves, retract, end. The comments are your map.

Lawrence Arya··10 min