Quady3D
Workflow guide

How to turn an image into a 3D model

Updated September 2026

Start with one clear photo or illustration. Upload it, choose a model, generate a draft, then rotate the result and download the returned file. The four steps below follow a recorded input and result.

Pink knight illustration used as the tutorial inputInput
3D result generated from the pink knight tutorial inputResult
One recorded input and its generated 3D result, followed through the steps below.
Start here

Turn an image into a 3D model in four steps

Follow one recorded input through four visible steps. The source and generated preview come from the same run; the workspace screenshot shows where to select its model and image.

Step 01

Upload a clear image

Choose a sharp picture of one complete subject. Upload it in the Image to 3D workspace.

  • Keep the entire subject in frame.
  • Use one sharp PNG, JPG, or WebP with a simple background.
Open the Image to 3D workspace
Original pink knight illustration uploaded for this recorded exampleActual input
The full subject is visible in the original uploaded image.
Step 02

Choose a model

Select a model and only the settings you need. Check the live credit cost before you generate.

  • This recorded run used Tripo H3.1 with texture on and PBR off.
  • Check the live credit cost and available settings before submitting.
Actual Quady3D workspace showing Tripo H3.1 selected above the pink knight reference imageWorkspace screenshot
Recorded settingsTripo H3.1
Texture
On
PBR maps
Off
Face limit
50k
The screenshot shows the actual workspace; the adjacent settings are saved values from this run. Check the live credit cost before generating.
Step 03

Generate a draft

Submit the image and wait for the job to finish. Review the result rather than assuming every surface matches the photo.

  • The preview shown here came from the input at left.
  • Job time and the generated details can vary between runs.
Original pink knight illustration uploaded for this recorded exampleActual input
3D result generated from the pink knight illustration with Tripo H3.1Generated result
One recorded input and its returned result. Your run may differ.
Step 04

Inspect and download

Rotate the 3D result, check the back and thin parts, then download a file your job actually returned.

  • Rotate the model below to check the back, gaps, and thin parts.
  • Download only the file formats returned for your completed job.
Inspect a different 3D result
3D result generated from the pink knight illustration with Tripo H3.1Generated result
The preview shows the front; inspect the interactive 3D model in the case below.
A different input and result

A different image-to-3D example you can inspect

The four steps above follow a knight illustration. For this separate example, we generated a clean reference image of a yellow rubber duck, uploaded it in the Quady3D workspace, and converted it with Tripo H3.1. Compare the beak, wing, and tail, then rotate the returned 3D model to inspect the surfaces missing from the image.

AI-generated reference image
AI-generated yellow rubber duck reference showing its orange beak, black eyes, raised wing, and upturned tail from a three-quarter view
Generated 3D result
Yellow rubber duck 3D model generated from the matched AI reference image with Tripo H3.1

Generated in Quady3D · Tripo H3.1 · One AI-generated reference image

What the input shows

The beak, eyes, near-side wing, and raised tail are visible. The whole duck is inside the frame with a simple background.

What to inspect

Compare the beak opening, wing ridges, and tail first. Then rotate to the far side and underside: those surfaces are hidden or only partly visible in the input.

The input is an AI-generated image, not a camera photograph. The 3D result was generated from this exact image in the Quady3D workspace. This is one recorded result, not a measurement-accurate scan; hidden surfaces and size are inferred. See model details.

Before you generate

Choose a model for the result you need

Match the model to your task instead of choosing by price alone. The workspace shows supported settings and the current credit cost before submission.

Compare options for a first pass

For an early draft, prioritize a readable silhouette and plausible missing surfaces. Check each model's supported inputs and controls before spending credits.

Browse available models

Need texture?

The four-step knight example uses Tripo H3.1 with texture enabled. Inspect color placement and hidden surfaces as carefully as the front.

See the example model

Plan the next tool

Check topology and returned files before editing. For Blender, review the mesh and textures after import.

Continue in Blender
Photo preparation

Prepare a photo the model can read

When you create a 3D model from a photo, start with one clear view of the real object. The model still has to infer hidden surfaces, so show the features that define its shape instead of relying on resolution alone.

Keep the whole object in frame

Show all feet, handles, openings, and other defining parts. A cut-off part gives the model too little shape information.

Use soft, even light

Avoid harsh shadows and bright glare. Reflections on shiny surfaces can be mistaken for color or geometry.

Show some depth

A three-quarter view usually reveals the front and a side. If the back matters, add a separate view rather than expecting one photo to show it.

Separate the subject

Use a plain background and keep hands, stands, and nearby objects away from the outline.

  • PNG, JPG, or WebP under the displayed upload limit
  • One primary subject with no important cropped parts
  • Retake a blurry photo instead of enlarging it
  • Use only images you are authorized to process
Troubleshooting

Diagnose the result before rerunning

A regeneration is most useful when you change a specific source problem instead of repeating the same request.

Holes or missing parts

Look for cropped, thin, occluded, or low-contrast regions and try a clearer view.

Unwanted geometry

Remove overlapping scenery, hands, stands, cast shadows, and nearby objects from the source.

Soft surface detail

Check source sharpness and lighting, then compare another run with the same review criteria.

Shiny or transparent surfaces

Glare and see-through edges hide the real outline. Try softer light and a simpler background, then inspect the generated shape closely.

Inspect and export

Choose a file for the next step

The result panel shows the files available for your completed job. Download the returned model first, then check any converted file before using it elsewhere.

GLB for preview

A compact choice for web viewing and sharing a textured model when the job returns one. Rotate it to inspect the complete shape.

OBJ for editing

Useful for mesh cleanup in Blender. Check any accompanying material and texture files after export.

Blender workflow

STL for print preparation

STL stores geometry, not color. Confirm scale, closed surfaces, and thin parts before slicing.

Prepare an STL
Compare image-to-STL workflows
Multi-view reference guide

When one image is not enough: use multiple views

If the back, sides, or asymmetric details matter, prepare distinct views of the same subject. These front, side, and back views of our pink kitten were used to make the 3D result below. Check the selected model for its exact image count and order before uploading.

Cover missing sides

Start with a clear front and side. Add the back or opposite side when it reveals a surface the first views cannot show.

Keep the references consistent

Keep framing, lighting, background, and the object's pose similar across photos or renders. If the output changes shape or texture between sides, replace the blurry or conflicting view before rerunning.

Front reference
Front view of the pink Quady kitten with large eyes and a cream chest
Side reference
Side view of the same pink kitten showing its rounded head and fluffy tail
Back reference
Back view of the same pink kitten showing both ears and the curled tail
Generated 3D result
Pink kitten 3D model generated from the three reference views with Tripo H3.1

Three views of one kitten · made with Tripo H3.1

Rotate the model to compare the ears, cream chest, and curved tail with the reference views.

Recording your object instead of taking separate photos? Extract clear views from a short video, then keep complementary frames for multi-image generation.

Use the multiple images to 3D workflow
Put the steps together

Try one clear image, then inspect the result

Start with a well-framed reference, compare the available models, and check the live credit cost before you generate. Rotate the returned model to inspect hidden surfaces before downloading a file. Use only source images you have the right to process.

  • One fully visible subject
  • Live cost before submission
  • Inspect the back and thin parts
  • Download only the files returned for your job
Try Image to 3D
Questions before you start

Frequently asked questions

How to create a 3D model from a photo?

Use one sharp photo of a complete subject with a simple background, then upload it, choose a model, generate, and inspect the returned mesh from all sides. A single photo cannot measure hidden geometry. If you need more faithful coverage, use consistent views of the same object; for measured reconstruction, use a dedicated photogrammetry workflow.

Should I prepare a cutout before generation?

Not for every image. Start with a clear subject and simple background. If scenery, cast shadows, hands, or nearby objects appear in the mesh, make a cleaner crop or cutout before rerunning.

Can one image show the back of the object?

No. The model has to infer surfaces the camera could not see. Rotate the result to review those guesses, or use consistent front, side, and back references in the multiple-images workflow.

Can I use generated models commercially?

Commercial use is allowed only when you have the necessary rights to your source material and comply with the terms of the model used for the job. Quady3D does not guarantee exclusive ownership or that generated output is non-infringing.

Why does my generated model have holes?

Occlusion, ambiguous silhouettes, thin parts, and unseen surfaces can produce holes. Try a clearer image and inspect the complete mesh.