Logo → Raised STL Sign
Turn a logo image into a raised sign or emblem. Flatten the background and raise the artwork 2–4 mm for crisp, print-ready branding.
01 Free browser-based conversion
Image to STL Converter
Turn photos, logos, drawings, and other 2D images into 3D-printable STL models. Adjust depth and size, preview the result in 3D, and download your STL file.
2D ReliefAI 3D Coming soon
Free · No sign-up Processed locally in your browser PNG · JPG · JPEG · WebP
or drop your image herePNG · JPG · JPEG · WEBP · processed locally
DRAG TO ROTATE · RIGHT-DRAG TO PAN · SCROLL TO ZOOM02 Online converter
Convert an Image to STL Online
Convert an image to STL directly online. Upload a photo, logo, drawing, or other 2D image, adjust dimensions and depth, preview it in 3D, and export an STL file for 3D printing.
The 2D Relief mode maps the brightness of your image onto a height map and extrudes it into a solid, watertight mesh with a flat base. Because the whole conversion runs in your browser, your image is converted to STL in seconds without uploading it anywhere.
03 Simple workflow
How to Convert an Image to STL
- 01
Upload your image
Drop in a PNG, JPG, JPEG or WebP file from your device.
- 02
Choose Relief or AI 3D
Relief mode is available now and runs fully in your browser.
- 03
Adjust size and depth
Set the width, base thickness and relief depth that fit your print.
- 04
Preview and download STL
Check the 3D preview, then export a print-ready STL file.
04 How relief works
2D Image to STL Converter
A 2D image contains colour information but no real 3D depth. That is why this image to STL converter treats every picture as a height map: brightness and shapes are translated into surface height, and the raised surface is extruded onto a solid base.
2D Image→Height / Shape Map→Extrusion→3D STL
This is exactly how logos, line art, text plates and lithophanes are produced. If a pixel should stay flat, the threshold control cuts the background down to the base; if it should stand out, it is raised by the relief depth you choose.
05 Relief vs AI
Convert Photos to STL
A photo can become a printed relief today, or a reconstructed 3D model once the AI 3D mode ships. They solve different problems.
A photo to STL conversion always starts from brightness, not from real depth. In Relief Mode, bright areas rise and dark areas stay near the base, which is why portraits, landscapes and pet photos translate well into shallow reliefs and lithophanes. For photographs, keep the relief depth low — around 1 to 2 mm — and let contrast do the modelling instead of piling on height.
Object and product photos are a different story. A single photo shows only one side of the object, so relief mode can only produce a raised copy of what the camera saw, not a rotatable 3D model. That is the gap AI 3D reconstruction fills: it infers the complete geometry of the object from the image and rebuilds every side. Relief is the right tool for pictures of flat artwork; AI 3D — coming soon — is the right tool for pictures of things.
| Input | Relief Mode | AI 3D Mode |
|---|---|---|
| Logo | Excellent | Not needed |
| Line art | Excellent | Not needed |
| Portrait | Relief or lithophane | Works well |
| Object photo | Weak | Excellent |
| Product photo | Weak | Excellent |
AI 3D reconstruction is coming soon. Today, use Relief Mode for pictures, logos and artwork.
06 Coming soon
AI Image to STL
Relief mode produces a raised or recessed surface from a 2D image. AI 3D reconstruction goes further: it rebuilds a complete mesh from the object shown in the image, so a chair photo becomes a chair model with depth on every side.
We are working on bringing this AI image to STL workflow to the toolkit, including automatic watertight repair, a flattened base and mesh decimation before export. Until it ships, relief conversion covers logos, drawings, plates and lithophanes entirely in your browser.
07 Printing workflow
Create STL Files for 3D Printing
Every model you download is a standard binary STL in millimetres with a flat base and a closed surface. Here are direct answers to the questions that matter right after you export an image to STL file.
Is the mesh watertight?
Yes. The height map forms the top, side walls wrap around the border, and a flat base closes the bottom, so the finished model has no holes or open edges anywhere.
What size will it print?
Exactly the width and height you set. STL coordinates carry no units, and this tool interprets them in millimetres, so a 100 × 80 mm model slices at 100 × 80 mm. Change the Width and Height fields before downloading to change the printed size.
How thick should the base be?
Around 2 mm suits most signs and plates. Go up to 3–4 mm for large models that must stay rigid, and down to 1–1.5 mm for lithophanes, where backlight passes through the relief rather than the base.
Does it work in Cura?
Yes. The exported STL opens in Cura like any other model. Place the flat base on the build plate and add a brim for thin reliefs that cover a wide area.
Does it work in Bambu Studio?
Yes. Bambu Studio imports the STL directly and the millimetre dimensions map one-to-one onto the build plate, so no scaling is needed.
Does it work in PrusaSlicer?
Yes. PrusaSlicer accepts the file without conversion. For relief plates, a standard 0.2 mm first layer with supports off is usually enough because the flat base rests on the plate.
08 Image to STL examples
Image to STL Examples
Six common ways to turn pictures into printable STL models, from picture to STL badges to logo to STL signage.
Drawing → 3D Relief
Convert sketches, drawings and line art into carved reliefs for wood, plaques and decorative panels.
Photo → Lithophane
Map photo brightness to height for backlit lithophanes. Use a thin base, gentle contrast and a higher detail setting.
Icon → 3D Badge
Extrude app icons, avatars and symbols into pins, badges and magnets with a solid base.
Text Image → STL Plate
Turn text images into nameplates and labels. Flatten the background so letters stand proud of the plate.
Object Photo → AI 3D Model
Reconstruct a full 360° mesh from a single object photo with AI. This mode is in development and not available yet.
09 Related workflows
More STL Tools
After conversion, inspect, repair, or edit the STL model in your browser.
10 Common questions
Frequently Asked Questions
Is this image to STL converter free?+
Yes. This image to STL converter is free to use with no signup and no watermark. Everything runs locally in your browser, so your images never leave your device.
How do I convert an image to an STL file?+
Upload a PNG, JPG, JPEG or WebP image, choose the 2D Relief mode, adjust the model size, base thickness and relief depth, preview the result in 3D, and download the finished STL file.
Can I convert a photo to STL?+
Yes. Photos work well as shallow reliefs and lithophane-style models, where brightness becomes height. Converting a photo into a full 360° 3D model requires AI reconstruction, which is a separate workflow.
Can I convert a 2D image into a 3D STL?+
Yes. A 2D image has no real depth information, so the converter maps brightness and shapes onto a height map and extrudes it into a solid 3D mesh. This is ideal for logos, drawings, icons and line art.
What's the difference between a relief STL and an AI 3D model?+
Relief mode produces a raised or recessed surface from a 2D image, like a sign or lithophane. AI 3D reconstruction builds a complete mesh from the object shown in the image, such as a chair photo becoming a chair model.
Can I use the generated STL in Cura, Bambu Studio or PrusaSlicer?+
Yes. The converter exports a standard binary STL in millimetres with a flat base, which loads directly in Cura, Bambu Studio, PrusaSlicer and other slicers.
Are the generated STL files ready for 3D printing?+
Yes. Every model comes out watertight, with a flat base and fully closed side walls. For printing, pick a base thickness of around 2 mm and a relief depth between 2 and 5 mm. If you combine models or edit them later, check the result with our STL Viewer or repair tool.