Install & Use FabEX CNC in Blender 4.3 | Generate G-Code for Your First Project
Learn how to install and start using the powerful FabEX CNC add-on (formerly BlenderCAM) with Blender 4.3 to generate your first CNC G-code — all with free, open-source tools!
In this beginner-friendly tutorial, you’ll go from installation to a complete CAM workflow — including toolpath creation, parameter tuning, and exporting G-Code for your first CNC project (a simple throwing star).
In this tutorial, you’ll discover:
How to download and install FabEX CNC add-on in Blender 4.3
Configure the add-on for smooth G-code generation
How to import STL models, set dimensions, and position them correctly
How to generate toolpaths: pocketing, profiling, bevel cutting
How to export clean, ready-to-use G-Code for your CNC machine
Pro tips for feeds, speeds, rotation tricks, and toolpath optimization
Whether you’re a CNC beginner or a maker transitioning to free tools, this video helps you master Blender as a complete CAM environment.
Continue Learning CNC:
Learn step-by-step how to install and configure the FabEX CNC (Blender CAM) add-on, create toolpaths like pocketing and v-carving, and export G-Code compatible with all major CNC platforms.
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Explore practical beginner projects and workflows. Learn how to design simple CNC parts, generate precise G-Code, and gain confidence with open-source CAM tools like Blender and FreeCAD.
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Advance your skills with 4-axis machining! Learn how to model a CNC-ready part, create rotary operations in Blender CAM, and export 4-axis G-Code for professional results.
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00:00 Intro: Install FabEX CNC in Blender & generate your first G-Code
01:17 How to install and configure FabEX CNC add-on in Blender 4.3
03:27 Importing and scaling STL models for CNC in Blender
04:45 Positioning and aligning objects for CAM setup
05:32 Setting the Z-axis and object placement in Blender
07:49 Understanding the CNC workflow before G-Code generation
08:52 Extracting curves for pocket and outline toolpaths
10:36 Separating curves to generate individual toolpaths in Blender
11:28 Creating a CNC operation and setting a profile cutout strategy
15:13 Configuring machine presets (feeds, speeds, post processor)
17:31 Adjusting CAM strategies to improve pocket toolpaths
19:08 Creating and generating an outline cut operation
21:44 Cutting a recess in the spoilboard for double-sided machining
23:01 Duplicating and repositioning outlines for bevel cutting
24:32 Setting a V-bit profile operation to cut bevels
26:16 Rotation trick for proper CNC alignment in Blender
27:02 Exporting and saving G-Code files with FabEX CNC
27:44 Final thoughts: using chains, time estimation & pricing tips
The link to the GitHub page where you can download the latest version of the addon: https://github.com/pppalain/blendercam
If you want to support me, you can purchase a super thanks or subscribe to my Patreon page. Subscribing to my Patreon page means you also have access to this video without interruptions. You can also buy a one time support through the following links:
My Patreon page:
/ opensourcecnc
Big Thanks ($10):
/ one-time-big-thanks-244233
Thanks ($3):
/ one-time-thank-you-244228
You can book a one on one session with me, to sort things out if you need help with certain projects or situations:
/ one-hour-one-on-138673562
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