How to Create Plasma Cutting Vector Files
Creating plasma cutting vector files from raster images requires clean, closed vector paths in DXF or SVG format. This guide covers the full workflow from image upload to plasma-ready file in SheetCam, Fusion 360, or Mach3.
About How to create plasma cutting vector files
Creating plasma cutting vector files from raster images involves four main stages: vectorization, path cleanup, DXF export, and CAM import. Each stage has plasma-specific requirements that differ from standard SVG illustration work.
Step 1: Vectorize the source image Upload the PNG or JPG to the vectorizer above. Use 2–3 trace colours for logos and designs. Download the SVG.
Step 2: Clean paths in Inkscape — Path > Simplify — removes excess anchor points. Plasma tables move slowly through dense path segments. — Node Editor — identify and close all open path endpoints. Open paths cause the torch to lift mid-cut. — Delete sub-minimum-feature paths. Any shape smaller than 3–5× the plasma kerf width will burn away.
Step 3: Export to DXF — File > Save As > Desktop Cutting Plotter (AutoCAD DXF R14). — Set document dimensions in mm or inches to match plasma table units. — Verify DXF scale after import in SheetCam.
Step 4: Import to plasma CAM software SheetCam: File > Open > DXF, set material thickness and kerf width, add plasma cut operation, set lead-in/lead-out, post-process G-code.
Fusion 360: Insert > Insert DXF, Manufacture workspace, create 2D Profile toolpath, post to the plasma post-processor.
Key CAM settings for plasma: — Kerf compensation: offset the cut path inward by half the kerf width. — Pierce delay: allow time for the arc to establish before moving. — Lead-ins/lead-outs: start and finish cuts away from the edge to avoid visible entry marks.