# PNG to OBJ converter with real volume

> Turn character art, game sprites, icons and transparent renders into OBJ models you can open in Blender, Maya or any slicer. OBJ export is included on the Free plan.

Page: https://printpal.io/convert/png-to-obj
Updated: 2026-11-12
Try it: https://printpal.io/convert/png-to-obj (upload an image; the free plan needs an account)

Artists convert PNG to OBJ for two main reasons: to get a 3D blockout of a 2D character or prop to refine in a sculpting app, or to drop a design into a game engine or renderer. Either way you want real volume, not the textured flat plane that most "PNG to OBJ" tools produce.

PrintPal's AI reads your PNG, transparency included, and builds a closed mesh with a front, sides and back. Treat the OBJ as a strong starting point: the proportions and silhouette come from your art, and the hidden sides are a plausible guess you can sculpt over.

## How to convert PNG to OBJ

1. **Upload the PNG.** Use a single view of your character or prop, ideally on a transparent background.
2. **Sign in.** Create a free account; your PNG is carried through sign-up.
3. **Generate and inspect.** Rotate the result in the browser preview. Regenerate or switch to Refined quality if the hidden side is off.
4. **Download OBJ.** Pick OBJ and import it into Blender, Maya, ZBrush or your engine.

## Things to know

- **Pick one view from a turnaround:** Each generation takes one image. Crop the front or 3/4 view out of a character sheet rather than uploading the whole sheet.
- **Keep the alpha channel:** Transparent PNG renders give the cleanest silhouette. Drop shadows baked into the PNG can turn into lumps under the model.
- **Plan for retopology:** The OBJ is a dense triangle mesh made for printing and rendering. Retopologize it before rigging or animating.
- **Pixel art is a special case:** The AI tends to smooth pixel art into soft shapes. For a blocky voxel look, extrude an SVG trace of the sprite instead.

## PNG at a glance (Portable Network Graphics)

- **Type:** Raster, lossless
- **Transparency:** Yes, full alpha channel
- **Typical source:** Logos, digital art, renders, AI images, product cutouts
- **Watch out for:** Screenshots with UI, sprite sheets, tiny icons
- **Transparency in the conversion:** Used as the cutout, so the AI knows exactly where your subject ends.
- **Colors in the conversion:** Projected onto full-color models (Pro). STL drops them.
- **Resolution in the conversion:** Scaled to 2048 px on the long side in your browser; larger adds nothing.

## OBJ at a glance (Wavefront OBJ)

- **Stores:** Vertices, faces, UVs and normals as text
- **Color:** Via a .mtl file and texture images, or vertex colors
- **Units:** None
- **Size (our 1M-triangle test):** 74.2 MB, plus 10.7 MB of material and texture
- **Opens in:** Blender, Maya, 3ds Max, ZBrush, Cinema 4D, most slicers
- **PrintPal plan:** Free and up

### After you download the OBJ

- Keep the .obj with any .mtl and texture files in one folder, or zip them together before sharing.
- In Blender use File, Import, Wavefront (.obj). OBJ has no units and Blender treats 1 unit as 1 metre, so scale to suit your scene.
- Decimate before sculpting or rigging: a Decimate modifier at 0.2 keeps the silhouette of a 1M-triangle mesh at a fraction of the weight.
- Slicers read OBJ like STL. Bambu Studio can also read vertex-color OBJs and map their colors to filaments.
- Need STL or 3MF later? Convert it free with the [3D model converter](https://printpal.io/tools/3d-model-converter).

## Same model, every format (measured)

Same 998,810-triangle knight exported with trimesh; the GLB is the download as it came from PrintPal. The 3MF holds geometry only; a painted multi-color 3MF adds a little for the color data.

| Format | File size | Color | Units | Typical use |
|---|---|---|---|---|
| STL (binary) | 49.9 MB | No | None (slicers assume mm) | Any slicer |
| STL (ASCII) | 303 MB | No | None | Legacy CAD; avoid |
| OBJ + MTL + texture | 84.9 MB | Texture or vertex colors | None | Blender, sculpting |
| GLB (with textures) | 40.5 MB | Yes, PBR textures | Metres | Web, AR, games |
| 3MF (zipped) | 21.0 MB | Yes, per triangle | Millimetres | Bambu Studio, OrcaSlicer, PrusaSlicer |
| PLY (binary) | 27.3 MB | Vertex colors | None | Scans, point clouds |

## Real example

The treasure chest model shown on the page was generated by PrintPal from chest.png (1024 px). Raw output: 999,026 triangles, one watertight body with consistent winding. Web preview: 59,936 triangles, 446 KB GLB.

## FAQ

### Will the OBJ be rigged or animated?

No. You get a static, closed mesh. It works well as a sculpting base or a printed figure; for animation, retopologize and rig it in Blender or Maya.

### Can I convert a character turnaround sheet?

Crop a single view first. One clean front or 3/4 view gives a better model than a sheet with several poses, which the AI tries to merge into one object.

### Does the OBJ include textures?

Draft models are geometry only. Full-color models on Pro are easiest to take into other apps as GLB, which keeps the textures in one file; Blender can export that to a textured OBJ with its .mtl.

### How big is the OBJ file?

OBJ is plain text, so it is the largest common format. Our 1M-triangle test model came to 74.2 MB as OBJ versus 49.9 MB as binary STL. Decimate it if you need it lighter.

### Is PNG to OBJ free?

Yes. OBJ downloads are included on the Free plan, with 10 generations a month at Draft quality.

### How long does a conversion take?

Draft quality usually finishes in 30 to 60 seconds. Refined and Production take longer because they build more detail, and Pro generations run on a priority queue.

### Can I sell prints of the models I make?

Yes, on Pro and Studio, which include commercial rights for prints and digital files. The Free plan is for personal use. You also need the rights to the image you upload, so stick to your own photos and artwork or images you have permission to use.

## Related conversions

- [PNG to STL](https://printpal.io/convert/png-to-stl): Convert a PNG into a watertight, print-ready STL with AI. Real 3D depth instead of a flat extrusion, transparent backgrounds supported. Free plan.
- [PNG to GLB](https://printpal.io/convert/png-to-glb): Convert a PNG into a full-color GLB (binary glTF) 3D model with AI. Transparent PNGs become clean textured meshes for web, AR, Blender and game engines.
- [PNG to 3MF](https://printpal.io/convert/png-to-3mf): Convert a PNG into a 3MF for Bambu Studio and OrcaSlicer. AI builds a full 3D model, then splits its colors into 2 to 8 filaments. Single-color 3MF free.
- [PNG to 3D model](https://printpal.io/convert/png-to-3d-model): Turn a PNG into a 3D model with AI and download it as STL, OBJ, GLB or 3MF. Transparent PNGs welcome. Print-ready mesh in about a minute. Free plan.
- [JPG to OBJ](https://printpal.io/convert/jpg-to-obj): Convert a JPG photo into an OBJ 3D model with AI. One photo, no photogrammetry rig. Opens in Blender, Maya and every slicer. OBJ export on the free plan.
- [SVG to OBJ](https://printpal.io/convert/svg-to-obj): Convert SVG to OBJ free in your browser: extrude vector paths into an OBJ with exact depth, grouped by color, or turn SVG artwork into a sculpted AI model.
- [Image to OBJ](https://printpal.io/convert/image-to-obj): Turn any image or photo into an OBJ 3D model with AI. Works with Blender, Maya, ZBrush and every slicer. PNG, JPG, WebP and HEIC supported. Free plan.
- [JPG to STL](https://printpal.io/convert/jpg-to-stl): Convert a JPG or JPEG photo into a print-ready STL with AI. Builds the full 3D shape from one photo and repairs the mesh. Works with phone photos. Free plan.

## Learn more

- [Image-to-3D best practices](https://printpal.io/wiki/image-to-3d-best-practices): What makes a source image convert well, with examples.
- [Iterating on AI 3D models](https://printpal.io/wiki/iterating-on-ai-3d-models): How to get from a first draft to a model worth printing.
- [3D printing file formats](https://printpal.io/wiki/3d-printing-file-formats): STL, 3MF, OBJ, STEP and G-code compared.

- All image to 3D conversions: https://printpal.io/image-to-3d
- PrintPal for LLMs: https://printpal.io/llms.txt