Export a Colored 3MF from PNG

3MF keeps the full surface color of your image, not just the shape. If you print on a color-capable machine — or just want a faithful preview — 3MF is the format to export. PNG to STL maps the original colors straight to the mesh.

STL vs 3MF: the color difference

STL stores triangles only; it cannot carry per-surface color, so a colorful image comes out as a single flat material. 3MF stores geometry plus vertex colors, so the printed (or previewed) model shows the image's true hues.

How to export color from PNG

Open the converter and load your PNG.
In color mode, choose “Original image colors” so the relief keeps the picture's hues.
Preview the result — the surface should show the image, not a uniform tone.
Export 3MF; the vertex colors travel with the file.

Where colored 3MF helps

Color 3D printers (powder, MJF, full-color resin) reproduce the image directly.
Modern slicers show an accurate, colored preview before you print.
Archived models stay self-contained — no separate texture file to lose.

Frequently asked questions

Does STL keep color?

No. STL is geometry-only. Use 3MF if you need the surface color preserved.

Which slicers open 3MF with color?

Most current slicers (PrusaSlicer, Bambu Studio, Cura, and others) read colored 3MF. Color-capable printers use it directly.

Ready to try it? Convert your image to STL or 3MF in your browser — free, private, and with no sign-up.

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