- A GLB inspector tells you what a generated model actually is: triangle count, bounding box, materials, animation.
- Compare the bounding box against the real object first. Most "the model is wrong" reports are a scale or orientation problem, not a mesh problem.
- Texture presence is the check that separates a good generation from a flat one — a GLB can carry geometry and still arrive untextured.
- Inspection runs locally: the file is parsed in the browser and never uploaded.
Image-to-3D tools hand you a GLB and a thumbnail. The thumbnail is a render with a flattering camera; the GLB is the thing you will actually ship. Between them sits the step almost everyone skips — opening the file and reading its numbers. That step takes ten seconds and prevents the two most expensive mistakes in a 3D pipeline: wrong scale, and geometry that looks textured in the preview but has no image data attached.
The numbers worth reading
| Signal | Healthy | What a bad value means |
|---|---|---|
| Triangle count | In the tens of thousands for a single object. | Millions mean the file will stall viewers and engines; a few hundred means detail was lost. |
| Bounding box | Matches the real object in the unit you intend. | Off by 1000x is a metres-millimetres mismatch; a squashed axis means a broken transform. |
| Materials | One or more, with images attached. | Zero materials renders as grey clay; materials with no images render black. |
| Rig and animation | Present only when you generated motion. | A static mesh with an animation track usually means the wrong export preset. |
Inspecting before you commit
Open the file you downloaded
Not the preview. The preview is the generator's render, the file is your deliverable.
Read the bounding box first
Compare longest edge against the real object. This single number catches orientation and scale faults.
Orbit to the back and underside
Generated meshes fail where the photo had no information: behind, beneath, and in deep concavities.
Only then send it onward
After inspection, convert for the destination: STL for printing, OBJ for legacy DCC, GLB for the web.
Uniquement dans le navigateur, privé
Inspecteur GLB gratuit
Vérifiez localement la structure GLB et glTF avant import ou livraison.
Inspecteur GLB gratuit
Runs locally in your browser, no upload. Load it to start.
The thumbnail is not the file
A render can hide holes behind a friendly camera angle and a smooth normal map. Orbit it once — the underside is where generated geometry admits what it does not know.
Frequently asked
What does a GLB inspector show that a viewer does not?
Numbers: triangle count, bounding box, material and texture inventory. The viewer answers "does it look right", the inspector answers "what is it made of".
Can I inspect a GLB without uploading it?
Yes. Parsing happens in your browser, so a client's model stays on your machine.
Does inspecting cost credits?
No. Local tools here are free. Credits apply only when you generate a new model on the AI 3D generator.
Next steps
If the numbers are wrong, regenerate rather than repair: fix the input photo and run it again on the Pixal3D image-to-3D generator. Then compare the two routes in the Pixal3D vs TRELLIS 2 guide, and read the format guide before exporting.
Also useful: the full-page GLB inspector, GLB to STL, GLB to OBJ, and the STL viewer.