How to Use SVG Files for CNC Routers
CNC routers use G-code for cutting, not SVG directly. Learn how to convert SVG to G-code via CAM software (Easel, Carbide Create, Fusion 360) for CNC routing.
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SVG to G-Code for CNC — The Workflow
CNC routers don't read SVG — they need G-code (machine instructions). CAM (Computer-Aided Manufacturing) software converts SVG paths to G-code toolpaths.
- 1. Create or download your SVG design
- 2. Import SVG into CAM software (Easel, Carbide Create, VCarve)
- 3. Define material thickness, bit size, and cutting depth
- 4. Assign toolpaths: pocket (depth fill), profile (outline cut), drill (holes)
- 5. Generate G-code and send to CNC controller
Best CAM Software for SVG to CNC
Different CNC machines have companion CAM software. Most accept SVG or can open SVG after conversion to DXF.
- Easel (Inventables): free browser-based CAM, SVG import supported
- Carbide Create (Shapeoko): free, SVG and DXF import
- VCarve (Vectric): paid, professional, best for V-carve signs from SVG
- Fusion 360: free for hobbyists, SVG import, most powerful for complex 3D paths
Frequently Asked Questions
Can a CNC router cut SVG files directly?
No — CNC routers need G-code. Import your SVG into CAM software (Easel, Carbide Create, etc.), define toolpaths, and export G-code for the CNC machine controller.
Should I convert SVG to DXF before importing to CAM software?
Only if the CAM software doesn't accept SVG directly. Most modern CAM software (Easel, Carbide Create) accepts SVG. Older CNC software may only accept DXF — convert with Inkscape.
Can I use imagetosvg.com output for CNC routing?
Yes — the SVG paths from imagetosvg.com work in CAM software. Import to Easel or Carbide Create, assign toolpaths, and generate G-code. Works best for 2D profile cuts.
What SVG design rules should I follow for CNC routing?
Use closed paths for pocket and profile cuts. Minimum feature size depends on your bit diameter — nothing thinner than the bit. No open paths for interior pockets. Text must be converted to paths.
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