Free

Modelador 3D Lithophane Generator

Free photo to lithophane generator for flat, curved and cylinder shapes, with a Portuguese interface

Modelador 3D Lithophane Generator is a free browser tool for simple photo lithophane gifts. Free downloads after a first name and email signup; an optional donation is suggested. Printing and custom modeling are sold separately. Exports STL; an account is needed to download. Last checked 18 October 2026.

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Opens modelador3d.com.br

At a glance

Price: Free downloads after a first name and email signup; an optional donation is suggested. Printing and custom modeling are sold separately.
Runs on: Browser
Exports: STL
Multicolor: No, single color
Account: Required to download
Open source: No
Skill level: Beginner: fill in a form
Best for: Simple photo lithophane gifts
Selling prints: Allowed Terms of use section 9 say generated files have no watermark or DRM and are yours to use and print freely; selling prints is not mentioned separately.
How we checked: Opened the generator Read the generator page with its shapes and parameter ranges; we did not upload a photo or download a file; submitted by its maker (Oct 2026)
Checked by: Mike Janssen
Last checked: 18 October 2026

Open generator

Sources: Lithophane generator, Terms of use (section 9, free downloads) (checked 18 October 2026)

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About this generator

Modelador 3D Lithophane Generator turns a photo into a lithophane, from the same small Brazilian modeling studio behind the Modelador 3D Part Generator. You upload a PNG, JPG or WEBP image up to 12 MB and choose a flat plate, a curved panel or a cylinder. Then you set the width from 50 to 240 mm, the minimum and maximum thickness, a frame, and the brightness, contrast and inversion, and compare the preview before you export an STL.

The tool keeps at least 0.5 mm between the thinnest and thickest parts and starts at 0.8 mm, which the page suggests for a 0.4 mm nozzle. Like any lithophane, the picture only shows when light shines through it from behind, and the STL has no color. The page says the image stays on your device. The interface is in Portuguese.

Downloads are free once you register a first name and email, and an optional donation is suggested. It suits makers who want a simple photo gift or night light panel.