Sample SVG and DXF files for import checks
Choose a file by the problem you want to test, then compare the imported result with a known dimension.
Start with the 100 × 70 mm calibration SVG or DXF. Check the outer bounds, hole, island and bottom-right notch. The deliberately mislabeled DXF is only for reproducing a unit error. These are geometry examples, not laser power or material test files.
Choose the right sample
| What you need to check | Use this file | Expected result |
|---|---|---|
| Size, holes and orientation | Calibration SVG / AutoCAD 2000 DXF | 100 × 70 mm; hole 50 × 40 mm; island 10 × 10 mm |
| An R14 import or Inkscape export workflow | Inkscape R14 calibration DXF | 100 × 70 mm; three closed polylines |
| A 25.4× scale mismatch | Correct, mislabeled-inch and unitless DXFs | Compare unit metadata and receiving settings |
| Changes after reducing SVG nodes | Gear before / once / three Simplify actions | Inspect openings and outline, not just node count |
Download the geometry baseline
The project-created pair contains one outside contour, a 50 × 40 mm hole and a 10 × 10 mm island inside that hole. A 20 × 15 mm notch sits at the bottom right. Select all three outlines when measuring the overall 100 × 70 mm bounds; selecting just the island gives a different, valid measurement.
The PNG is a 100 × 70 pixel practice image. Its pixel dimensions are not a measured physical size. The SVG and DXF were generated directly from the same engineering geometry, rather than recorded as a browser conversion of that PNG.
Compare an R14 export
This second DXF was exported by Inkscape 1.4.4 with millimeters and LWPOLYLINE selected. Its original header declares R14 (AC1014). Independent parsing confirms three closed polylines and 100 × 70 mm bounds; native Inkscape CLI read-back was checked in the first guide batch.
The older AutoCAD 2000 calibration pair was imported separately in LightBurn Pro 2.1.04 and measured at 100 × 70 mm under the recorded conditions. That result belongs to the exact pair, version and settings. It does not transfer automatically to the Inkscape file, other software or your own drawing.
Download controlled unit-error examples
The inch-mislabeled file changes only the unit declaration of the baseline DXF: its numeric coordinates still span 100 × 70, but the header calls them inches. With Auto-Detect Units enabled, our LightBurn 2.1.04 import measured 2540 × 1778 mm. The unitless file has no declared drawing unit; it measured 100 × 70 mm with the recorded millimeter fallback.
Keep these diagnostic files separate from production artwork. Use them in an empty software document to compare behavior, then reopen the correct baseline. They are intentionally ambiguous or wrong and should not be sent to fabrication equipment.
Use the files and check reuse terms
Import one file into an empty document
Use the receiving program’s vector import. Select the whole drawing and read its geometric width and height in a stated unit. A page size or raster preview does not measure the imported paths.
Check the features the sample tests
Compare the hole and island, the notch direction and unwanted duplicate edges. If the size is wrong, use the DXF size diagnostic; if simplification changes details, use the node comparison.
Read the origin for the file you download
The calibration geometry is project-created. The two new controlled DXF variants are dedicated under CC0. The gear reference and its transformed SVGs use Bootstrap Icons’ MIT license, which is included. Software screenshots show the respective vendors’ interfaces and are evidence, not reusable design assets or endorsements.
Sources and recorded scope
File names, unit declarations, node metrics and hashes are listed in the downloadable record. These examples check software geometry; no laser was connected or operated.