SVG to STL: thickness unchanged

By Leon Warren · Published November 9 2026

After changing Thickness (mm), click Generate STL again before downloading; changing the field alone left the earlier mesh available in my test.

Save a newly generated mesh

1. Load a supported profile in the SVG to STL converter.
2. Enter the intended value in Thickness (mm), then click Generate STL.
3. Click Download STL and inspect that new saved mesh. Keep it separate from earlier downloads.

The on-page image is labeled as a two-dimensional profile preview, not a 3D render. My checks below used the downloaded triangle coordinates.

The three downloads I compared

On November 9, 2026, at 01:04 UTC, I tested the live page in headless Chrome 156.0.8078.80. The source SVG was a 134-byte rectangle with an 80 × 40 profile. I set Final width to 60 and generated at thickness 2.

I saved that export, changed only the thickness field to 5, and downloaded again without generating. Finally, I clicked Generate STL with the field still at 5 and saved the new export.

I opened each saved binary STL for readback, counted its triangle records and computed bounds from every vertex. The first two files had identical SHA-256 hashes. The final file had a different hash. Their complete bounds and hashes are in the measurement record.

All three files had the same byte count. In this sample, that count did not distinguish the two mesh thicknesses. The extents above are file-coordinate measurements, not readings from a slicer or a printed part.

What I did not test

I did not test slicer import units, physical printing, material strength, complex profiles, width changes or other browsers. I did not measure the behavior of another SVG-to-STL service. This comparison covers the linked rectangular source and the recorded sequence only.

For other checks on saved conversion results, see the conversion guides.